Abstract: A saw blade contains a body, in particular of a hard material, having a cutting portion. The cutting portion has a length and a width and being provided along its length with a plurality of teeth which are formed by a plurality of grooves. Each tooth being formed by at least two grooves. There is a first plurality of grooves, the grooves of which are parallel to each other along a first direction and in that there is a second plurality of grooves, the grooves of which are parallel to each other in a second direction. The first direction and the second direction are inclined to each other such that along the length of the cutting portion at least one of the grooves of the first plurality of grooves is intersected by a groove of the second plurality of grooves.

Abstract: Some embodiments of the present disclosure relate to a blade. In some embodiments, the blade is configured to produce 50% to 99.9% less residual dust than a comparative blade when the blade is used to cut at least one foam board, where the comparative blade is identical to the blade, except that the comparative blade does not comprise any notches. Methods of using and making the blade and systems that include the blade are also described.

Abstract: A reciprocating saw blade includes a body defining a longitudinal axis. The blade includes a cutting portion having a plurality of cutting teeth. Each cutting tooth includes a protrusion and a tip spaced a first distance from the protrusion. The tip of a first cutting tooth is spaced a pitch distance from the tip of an adjacent second cutting tooth. A gullet is defined between the tip of the first cutting tooth and the protrusion of the adjacent second cutting tooth. The tip of a respective cutting tooth is spaced a tip height distance from a base of the gullet. An apex of the protrusion is spaced a protrusion height distance from the base of the gullet. The protrusion height distance is 65% to 68% of the tip height distance. The first distance is 40% to 77% of the pitch distance.

Abstract: A saw blade includes a cutting portion having consecutive first, second, and third cutting teeth. Each cutting tooth includes a rake surface, a relief surface, and a tip. The first cutting tooth includes a protrusion extending from the relief surface of the first cutting tooth. The cutting portion includes a first gullet positioned between the first cutting tooth and the second cutting tooth and a second gullet sized differently than the first gullet positioned between the second cutting tooth and the third cutting tooth. The cutting portion includes a first pitch extending over the first gullet from the tip of the first cutting tooth to the tip of the second cutting tooth. The cutting portion includes a second pitch different than the first pitch extending over the second gullet from the tip of the second cutting tooth to the tip of the third cutting tooth.

Abstract: A reciprocating saw blade for a machine tool, in particular a jigsaw blade, includes a first row of saw teeth and a second row of saw teeth. The first and second rows of saw teeth are arranged at an angle to a longitudinal axis of the reciprocating saw blade. The angle of the first row of saw teeth opposes the angle of the second row of saw teeth. The reciprocating saw blade also includes a further row of saw teeth arranged between the first and second rows of saw teeth. The further row of saw teeth is set back, in particular suddenly set back, towards the longitudinal axis in relation to the first and second rows of saw teeth.

Abstract: A portable zero clearance circular saw including a motor frame portion with a transverse oriented drive shaft and arbor coupled to the drive shaft, a handle portion with a hand grip coupled to the motor frame portion aft end, a planar blade deck on a first lateral side, a movable blade shield rotatably mounted coaxial with the drive shaft and having a sidewall with a edge face coplanar with the blade deck, a trigger proximate the hand grip to move the blade shield, and a blade couplable to the drive shaft against the arbor, such that the blade outer surface is flush with the blade deck and blade shield sidewall. The handle portion may be rotatably coupled to the motor frame portion, and may include two laterally disposed blade shield triggers operably coupled to the blade shield via a dual pulley system.

Abstract: A reciprocating saw blade that includes an elongated blade body defining an inner end and a distal end, a cutting edge located on one side of the blade body and extending between the inner and distal ends thereof and a tang located at the inner end of the blade body. The tang projects from the blade body at an acute angle relative to a line tangent to an inner end of the cutting edge. The cutting edge includes a portion defining a substantially curved contour and optionally can include at least one further portion defining a non-curved contour.

Abstract: A hard tip band-saw blade includes alternating sawtooth groups. Each of the sawtooth groups includes two sawtooth subgroups. The first sawtooth subgroup includes, as a plurality of sawteeth, a first leading tooth and a first following tooth and the second sawtooth subgroup includes, as a plurality of sawteeth, a second leading tooth, a second following tooth, and a third following tooth. Each tooth top corner part of a hard tip of the first following tooth, a tooth top corner part on a left side of a hard tip of the second following tooth, and a tooth top corner part on a right side of a hard tip of the third following tooth most outwardly protrude in a left-right direction.

Abstract: An accessory tool for an oscillating power tool includes a support arm portion having a first lateral edge and a second lateral edge and a blade portion extending from a forward end portion of the support arm portion generally in a lateral direction. The blade portion includes a cutting edge arranged facing in the forward direction and a trailing edge that faces toward the mounting portion. The mounting portion defines a central axis which intersects the oscillating axis when the mounting portion is attached to a tool holder of the oscillating power tool. The first lateral edge of the support arm portion and the trailing edge of the blade portion define an open region which is interposed between the blade portion and the mounting portion. The central axis intersects the open region and both the trailing edge and the cutting edge of the blade portion.

Abstract: A reciprocating saw blade that includes an elongated blade body defining an inner end and a distal end, a cutting edge located on one side of the blade body and extending between the inner and distal ends thereof and a tang located at the inner end of the blade body. The tang projects from the blade body at an acute angle of at least about 3° relative to a line tangent to an inner end of the cutting edge. The cutting edge includes a portion defining a substantially curved contour and optionally can include at least one further portion defining a non-curved contour.

Abstract: A saw blade can include a blade body having a cutting edge defined by multiple teeth. The teeth can be disposed in a repeating pattern including a raker tooth, a first set tooth having a light offset to a right side of the blade body, a second set tooth having a heavy offset to the left side of the blade body, a second raker tooth, a third set tooth having a light offset to the left side, and a fourth set tooth having a heavy offset to the right side of the blade body. Each tooth can include a tip, rake face, gullet having a gullet depth, and one or more clearance surfaces. The pitch distance and gullet depth of the heavy offset teeth can be less than the pitch distances and gullet depths of the remaining teeth to provide an increased amount of strength for the heavy offset teeth.

Abstract: A hacksaw blade has a blade body that includes a cutting edge. One cutting-edge section is embodied in a concavely curved manner and at least one further cutting-edge section is embodied in a non-concave manner.

Abstract: A recip saw blade has a blade body and a cutting edge extending along the blade body and defined by a repeating pattern of two consecutive teeth. Each of the two consecutive teeth includes a primary clearance surface defining a relatively steep primary clearance angle, a secondary clearance surface defining a relatively shallow secondary clearance angle, a tip, a rake face located on the opposite side of the tip relative to the primary clearance surface, a gullet defining a depth, a first gullet radius located on an opposite side of the gullet relative to the rake face, and a second gullet radius located between the gullet and the rake face, wherein the depth of the gullet is greater than the second gullet radius.

Abstract: A saw blade including cutting teeth, having at least one of chip-limiters protruding from the teeth or secondary teeth in the gullets of the cutting teeth configured to mitigate the blade from over-feeding. The chip limiters and/or secondary teeth provide that only a limited portion of an object that the saw blade encounters during cutting falls below the cutting tips of the cutting teeth. The chip limiters and/or secondary teeth also assist the cutting teeth in cutting.

Abstract: A saw blade for an oscillating saw can include a plate having cutting teeth arranged in an arcuate tooth pattern at a cutting path. Cutting teeth on opposite sides of the centerline of the plate may be arranged to face oppositely. Each cutting tooth can have primary and secondary relief surfaces at different angles to the cutting path. Cutting teeth may be offset outwardly from the plate, with tips of some of the cutting teeth having outward-facing kerf surfaces parallel to the plate. The plate may be of bimetal construction, so that the cutting teeth and bulk of the plate are made of different materials. The cutting teeth may be formed by a coining process.

Abstract: A saw blade (4) for a machine operating with adjacent saw teeth traveling in two opposite and parallel directions comprises a blade substrate, teeth (16), and tooth necks (30) formed at the periphery of the substrate for holding the teeth (16) in place. Each tooth neck (30) has a protection surface (34), which is located in a plane that is parallel to the plane of the blade substrate (8), for protecting the tooth (16) against impact with any part of said adjacent saw blade. Each tooth (16) is located on the respective neck (30) in such a way that the tooth (16) is displaced from the protection surface (34) and from the adjacent saw blade in a direction normal to the plane of the protection surface (34).

Abstract: A reciprocating saw blade has a first end with a first tang and a second end with a second tang. The first and second tangs are alternatively engageable with the chuck of a reciprocating saw. The reciprocating saw blade defines a substantially uniform cutting edge extending from approximately the first end to approximately the second end of the blade. The first tang is engageable with the chuck of the reciprocating saw for fixedly securing the first end of the blade to the reciprocating saw and forming with the second tang the free end of the saw blade. Alternatively, the second tang is engageable with the chuck of the reciprocating saw for fixedly securing the second end of the blade to the reciprocating saw and forming with the first tang the free end of the reciprocating saw blade drivable in a reciprocating motion by the reciprocating saw.

Abstract: A tool for parting, in particular for sawing, includes a carrier blade that has a toothing portion with a finite, geometrically determined toothing, and a receiver for fixing the carrier blade to a tool spindle of a power tool. The tool spindle can be driven in oscillation about its longitudinal axis. The toothing is disposed at a distance from the receiver and is configured to be advanced perpendicularly in relation to the longitudinal axis, such that the toothing is realized in a non-uniform manner along the toothing portion. The toothing portion has a middle region and end regions that adjoin the middle region and that are provided with strengthened corner teeth.

Abstract: A saw blade provided with two walls set apart from each other and with blade teeth arranged on each wall in a pattern along the distal end of each wall and on the inner surface of each wall. During a single cutting motion, the distal teeth provide the initial cut and the inner teeth remove additional material along the pathway. This increases the amount of material removed in one cut, leaving a small amount of material (bone) at the bottom of the slot for the surgeon to remove in the final step. Thus, the blade configuration and the tooth pattern of the saw blade improves the cutting efficiency.

Abstract: A saw blade having a blade body, a plurality of cutting teeth defining a cutting edge along an edge of the blade body, each tooth along the cutting edge defining a cutting tip. At least one tooth tip along the cutting edge includes a different material, such as, for example, high speed steel, carbide, diamond, and/or a tip coating, than at least one other tooth tip along the cutting edge. The plurality of teeth may be arranged in a repeating pattern or in no pattern along the cutting edge. A method of manufacturing the saw blade includes forming a cutting edge along an axial edge of a blade body, defined by a plurality of cutting teeth having respective tooth cutting tips, wherein at least one tooth tip along the cutting edge includes a different material than at least one other tooth tip along the cutting edge.

Abstract: A cutting wheel is provided for cutting a liquid crystal panel. The cutting wheel is disc shaped and includes a plurality of grooves disposed along an edge of the cutting wheel and cutting portions formed between the grooves. A pattern having a predetermined period is formed by multiple grooves and cutting portions. The grooves in each period have the same or different widths and depths and the cutting portions have probe shapes or cutting blades of different lengths. The cutting wheel is applied to dummy areas of the glass substrates forming the liquid crystal panel.

Abstract: A saw blade (4) for a machine operating with adjacent saw teeth traveling in two opposite and parallel directions comprises a blade substrate, teeth (16), and tooth necks (30) formed at the periphery of the substrate for holding the teeth (16) in place. Each tooth neck (30) has a protection surface (34), which is located in a plane that is parallel to the plane of the blade substrate (8), for protecting the tooth (16) against impact with any part of said adjacent saw blade. Each tooth (16) is located on the respective neck (30) in such a way that the tooth (16) is displaced from the protection surface (34) and from the adjacent saw blade in a direction normal to the plane of the protection surface (34).

Abstract: A tooth is provided for a circular disc felling saw. When installed on a saw blade, the tooth has both leading and trailing cutting tips that cut the tree. The cutting discharge of the trailing cutting tips may tend to wear the rearward flank of the leading cutting tips. Either one or both of the primary and secondary cutting tips may include a wear insert, such as a ceramic wear insert.

Abstract: The invention relates to a sawing tool comprising a substantially disk-shaped support (1) from which a plurality of tooth inserts (4) project which are juxtaposed along a supporting edge (3) and have at least one sawtooth (12) each with at least one tooth rear (12) and at least one blade (9). The tooth inserts (4) are connected to the support (1) in a position-stable manner even when the sawing tool is operated. The supporting edge (3), in its cross-section perpendicular to the plane of the disk, has a rooflike shape and the tooth inserts (4) have a mounting (8) configured as a rooflike recess mating the roof shape of the supporting edge (3). Recesses (13) and/or bulges are arranged along the supporting edge (3) and are associated with corresponding bulges (14) and/or recesses on the interior of the mounting (8) of a tooth insert (4) and the bulges (14) fit into the corresponding recesses (13) in a form-fit manner.

Abstract: A reciprocating saw blade has a blade body defining first end and second ends. A first cutting edge is located on one side of the blade body, and a second cutting edge is located on an opposite side of the blade body thereof. A first tang is located at one end of the blade body and defines a first acute cutting angle of the first cutting edge. A second tang may be located at another end of the blade body and defines a second acute cutting angle of the second cutting edge. The first and second tangs are alternately and releasably engageable by the chuck of the reciprocating saw. At least one cutting edge may be defined by a plurality of groups of cutting elements. Each group of cutting elements is oriented at a respective acute cutting angle relative to a tang edge that defines an effective cutting angle for that group of cutting elements.

Abstract: An accessory for a power tool, includes a mounting portion configured to mate with an oscillating drive member of a power tool. A support arm portion extends from the mounting portion in a first direction. The support arm portion includes an inner edge that faces in a second direction transverse to the first direction. A blade portion extends from the support arm generally in the second direction. The blade portion includes a trailing edge arranged facing generally toward the mounting portion and a leading edge arranged facing generally away from the mounting portion. The trailing edge and the leading edge portion meet to define a pointed tip portion.

Abstract: A saw blade has a cutting edge including a plurality of teeth with a tip, a clearance surface on one side of the tip, a rake face on an opposite side of the tip relative to the clearance surface, a gullet, and a substantially flat or non-curvilinear projection between the rake face and the gullet projecting outwardly relative to the rake face. The projection is inclined at an acute angle relative to a plane extending between the tips of consecutive unset teeth, with an inner end adjacent to the rake face at least about 25/1000 inch below the tip and an outer end adjacent to the gullet. The distance between the inner and the outer ends in a direction substantially parallel to the plane extending between the tips of at least two teeth is less than about 65/1000 inch.

Abstract: A reciprocating saw blade, for use in a portable power reciprocating saw including a chuck for releasably engaging the saw blade, includes a tang having an elongated axis and being engageable with the chuck for attaching the saw blade to the reciprocating saw. The saw further includes a blade portion having a cutting edge that defines a plurality of cutting teeth. The cutting teeth define a repeating pattern of successive groups of teeth. Each group of teeth is less than about a half inch in length, and includes a plurality of laterally offset teeth, at least one relatively high first tooth and at least one relatively low second tooth. Prior to tooth set, the at least one relatively high first tooth is at least about 0.002 inch higher than the at least one relatively low second tooth.

Abstract: There is provided a replaceable drywall saw blade capable of reciprocating in-line when mounted to a hand held reciprocating power saw. The blade includes a generally planar body member having a generally linear top edge and a generally parallel opposed bottom edge. The blade further includes a generally linear upper piercing edge angularly offset downwardly from the top edge. The blade additionally includes a generally linear lower piercing edge angularly offset upwardly from the bottom edge. The upper piercing edge and lower piercing edge intersect to form a forward point on said blade. A mounting aperture is also formed on the blade for releasably securing the blade to the hand held reciprocating power saw.

Abstract: A saw tool for a machine tool that includes at least two saw tooth sequences. Each of the saw tooth sequences has a plurality of saw teeth, wherein a toothless chip space is arranged between successive saw tooth sequences. The first saw tooth directly adjacent to a chip space has a tooth geometry differing from that of the other saw teeth within a saw tooth sequence.

Abstract: A wood cutting band saw blade includes a cutting edge and a back edge, wherein the cutting edge is defined by a plurality of teeth spaced relative to each other. The plurality of teeth include a plurality of set teeth each having a tip, each defining a bend plane, and each including a shelf located at least partially between the tip and the bend plane for reducing saw dust passing to the kerf and accumulating on the band saw blade. Each of the set teeth may define a relief surface and a cutting surface where the relief surface extends from one side of the tip in a direction opposite that of the movement of the band saw blade and the cutting surface extends from another side of the tip. The shelf includes a shelf surface extending from the cutting surface and may terminate in a shelf tip.

Abstract: A recip saw blade has a blade body and a cutting edge extending along the blade body and defined by a repeating pattern of two consecutive teeth suitable for abusive cutting applications. The blade defines a relatively coarse tooth pitch. The two consecutive teeth, which may be bi-metal, include a high tooth and a relatively low tooth in comparison to the high tooth. Each high tooth and low tooth include a primary clearance surface defining a relatively shallow primary clearance angle that is about 28° or less, and a secondary clearance surface defining a relatively steep secondary clearance angle in comparison to the primary clearance angle. The primary clearance angle of the high tooth is steeper than the primary clearance angle of the low tooth, such as between about 23° and 28°, and the secondary clearance angle of the high tooth is shallower than the secondary clearance angle of the low tooth.

Abstract: A bi-directional cutting saw blade, capable of produce a cutting effect in both directions of forward and reverse rotation as it has cutting edges disposed on leading and trailing rims of each saw tooth. An unsharpened obtuse angle of the trailing cutting edge of the saw tooth can scrape off burrs and debris of a cut. When a trailing cutting edge of a saw tooth is in a cut, a leading cutting edge of a next saw tooth has cut into the workpiece, so that the saw blade does not offset from the cutting direction when cutting a workpiece. In the application to a pair of dual saw blades, salient points are disposed on one of the saw blades so that the dual saw blades are coaxially and tightly spaced, thereby reducing frictional heat produced in the cutting operation, preventing deformation of the saw blades, and enhancing the cutting effect.

Abstract: Concave/convex portions are consecutively formed on a back of a band saw blade. The concave/convex portions include concave portions engageable with and disengageable from a backup guide of a band saw guide unit, and convex portions adjacent to the concave portions. A length of each of the concave/convex portions is configured to be equal to or smaller than four times a maximum pitch of a tooth top of each tooth.

Abstract: A saw blade provided with two walls set apart from each other and with blade teeth arranged on each wall in a pattern along the distal end of each wall and on the inner surface of each wall. During a single cutting motion, the distal teeth provide the initial cut and the inner teeth remove additional material along the pathway. This increases the amount of material removed in one cut, leaving a small amount of material (bone) at the bottom of the slot for the surgeon to remove in the final step. Thus, the blade configuration and the tooth pattern of the saw blade improves the cutting efficiency.

Abstract: A saw blade (1) includes a base body (2) and a plurality of teeth (10) being connected to the base body (2), the teeth (10) including a cutting portion (6) and a chip producing surface (7). At least a part of the teeth (10) are arranged in a group of teeth being repeatedly arranged along the base body (2). The group of teeth (10) includes at least three unset teeth (10) having different widths. The broadest tooth (10) in the group of teeth (10) does not include a chip deforming element being located next to the chip forming surface (7) in a direction facing away from the cutting portion (6). At least one other tooth (10) in the group of teeth (10) includes a chip deforming element (8) being located next to the chip forming surface (7) in a direction facing away from the cutting portion (6).

Abstract: A sabre saw blade, in particular for metal applications, with a serration that has at least one first tooth spacing and one second tooth spacing, characterized in that in at least a partial region with three first and three second tooth spacings which are always disposed in a directly alternating sequence, the serration has at least two tooth shapes, and at least one tooth is embodied as a roof-shaped tooth having a first tooth back portion with a first clearance angle and a second tooth back portion with a second clearance angle with said tooth back portions being arranged at an obtuse angle and one behind the other in a cutting movement direction, and at least one tooth is embodied as a standard tooth with a straight tooth back, arranged alternatingly, wherein the first tooth spacing is between 10% and 30% shorter and the second tooth spacing is between 10% and 30% wider than 1.81 mm.

Abstract: A reciprocating saw blade has a first end with a first tang and a second end with a second tang. The first and second tangs are alternatively engageable with the chuck of a reciprocating saw. The reciprocating saw blade defines a substantially uniform cutting edge extending from approximately the first end to approximately the second end of the blade. The first tang is engageable with the chuck of the reciprocating saw for fixedly securing the first end of the blade to the reciprocating saw and forming with the second tang the free end of the saw blade. Alternatively, the second tang is engageable with the chuck of the reciprocating saw for fixedly securing the second end of the blade to the reciprocating saw and forming with the first tang the free end of the reciprocating saw blade drivable in a reciprocating motion by the reciprocating saw.

Abstract: A pair of saw blades includes a first blade, which is adapted to rotate in a first direction about an axis of rotation, and a second blade, which is adapted to rotate in a second direction opposite to said first direction about the same axis of rotation. Each blade has a blade body and cutting elements, which are provided along the periphery of the blade body and adapted to run close and in parallel to each other when the blades are rotating. A spacer, which extends into a space between the two blades, is attached to at least the blade body of one of the blades in order to support itself against and slide along a peripheral part of the other opposite blade.

Abstract: A jigsaw blade having a clamping end and, adjoining it, a blade-like working body that has a row of saw teeth that is inclined in relation to the clamping end, a spine on the opposite side from the row of teeth, and a tip at the front is therefore safer, easier to use, has higher performance, and is more precise. The jigsaw blade has two tooth row regions of the row of saw teeth that are inclined at different angles in relation to the clamping end.

Abstract: The invention relates to a sawing tool comprising a substantially disk-shaped support (1) from which a plurality of tooth inserts (4) project which are juxtaposed along a supporting edge (3) and have at least one sawtooth (12) each with at least one tooth rear (12) and at least one blade (9). The tooth inserts (4) are connected to the support (1) in a position-stable manner even when the sawing tool is operated. The supporting edge (3), in its cross-section perpendicular to the plane of the disk, has a rooflike shape and the tooth inserts (4) have a mounting (8) configured as a rooflike recess mating the roof shape of the supporting edge (3). Recesses (13) and/or bulges are arranged along the supporting edge (3) and are associated with corresponding bulges (14) and/or recesses on the interior of the mounting (8) of a tooth insert (4) and the bulges (14) fit into the corresponding recesses (13) in a form-fit manner.

Abstract: A hole saw has a cup shaped body with a base, and a cylindrical wall with an extending cutting edge. An arbor extends from base. A plurality of teeth are formed on the cutting edge. The teeth having a repeating first and second tooth form. The first tooth form has a rake face and relief face defining the cutting edge. The rake face and relief face are at a desired angle. A first gullet is continuous with the first rake face so that it has a desired depth. The second tooth form has a second rake face and second relief face. The faces are on a desired angle. A second gullet is continuous with the second rake face providing a second tooth height. The second tooth height is greater than the first tooth height.

Abstract: A tooth is provided for a circular disc felling saw. When installed on a saw blade, the tooth has both leading and trailing cutting tips that cut the tree. The cutting discharge of the trailing cutting tips may tend to wear the rearward flank of the leading cutting tips. Either one or both of the primary and secondary cutting tips may include a wear insert, such as a ceramic wear insert.

Abstract: A saw blade in which a tooth pattern comprising a first teeth group A and a second teeth group B each having a plurality of set teeth is repeated, wherein the saw blade has at least one or both of the following conditions: a condition in which a tooth height of the second teeth group B is lower than that of the first teeth group A, and a condition in which a set amount of the second teeth group B is smaller than that of the first teeth group A, and wherein the first teeth group A has at least one spur tooth.

Abstract: A planar band saw blade having an outer cutting edge with a plurality of saw teeth also includes sets of secondary teeth placed in cutout portions along a centerline of the band saw blade. The secondary tooth sets provide portions within the body of the saw blade that provide additional cutting action that reinforces the primary outer cutting edge of the blade. The band saw blade may include teeth on each parallel edge and the interior tooth sets in each cutout portion alternatively point toward opposite edges.

Abstract: A saw blade for cutting of wood, comprising cutting teeth which have filed or sharpened front and rear lateral edges, said edges meeting at a sharp point alternately on the right and the left side of the saw blade, where the cutting teeth are arranged in recurrent main groups of eight cutting teeth, each main group being divided into two subgroups comprising four cutting teeth each. Each subgroup comprises one cutting tooth set to a first side, two cutting teeth set to a second side opposite said first side, and one unset cutting tooth located between the two last-mentioned cutting teeth, and the set cutting teeth in each subgroup are set respectively to that side where the sharp point is located.

Abstract: A reciprocating saw has a tooth form that decreases the cutting time of the saw blade and extends the life of the saw blade. The tooth height is longer than conventional metal cutting reciprocating saws. Also, the tooth form has a larger gullet. The tooth rake angle remains substantially constant during the life of the saw blade.

Abstract: An apparatus for cutting materials and more specifically an improved saw blade includes a plurality of variable teeth thereon. The variable tooth saw blade cuts faster and smoother while reducing harmonic vibrations. Specifically, the teeth on the saw blade are grouped into sections with differing circumferential widths and differing spacing between the sections.

Abstract: A bandsaw blade includes a blade beam carrying a plurality of cutting teeth separated by gullets. A clearance angle of the teeth is smaller than 35°, and the back of a leading tooth has a convex transition to a gullet. The radius of the gullet is larger than ½ of the depth of the gullet.

Abstract: A metal cutting band saw blade has a plurality of cutting teeth defining a cutting direction, and a repeating tooth pattern of between 3 and 7 teeth. Each tooth defines a laterally-extending upper surface having a width and a height with respect to the back edge of the blade, and side surfaces extending laterally and downwardly on opposite sides of the upper surface relative to each other at acute angles relative to the upper surface. The teeth located rearwardly of the first tooth with respect to the cutting direction of the saw blade define progressively lower heights and progressively smaller acute angles of the side surfaces, and the widths of the upper surfaces of these teeth are greater than the width of the upper surface of the respective first tooth.