Abstract: A chuck assembly for a rotary power tool includes a chuck body rotatable about a central axis. The chuck body has a plurality of slots, each oriented at an oblique angle relative to the central axis. The chuck assembly also includes a plurality of jaws, each movable along a respective one of the slots. The chuck assembly also includes a collar coupled to the plurality of jaws. The collar is selectively engageable with the chuck body such that, when engaged, the plurality of jaws are movable along the plurality of slots in response to rotation of the collar.

Abstract: Jigs and fixtures for aligning, guiding, and/or holding a workpiece on woodworking machinery during a woodworking operation are described, as well as methods of making, modifying, and using jigs and fixtures.

Abstract: A hole saw includes a substantially cylindrical body defining a cutting end and an axis of rotation. The hole saw also includes first and second apertures formed through the body and spaced from the cutting end such that a portion of the body extends between the cutting end and both the first and second apertures. The first and second apertures are both configured to receive a tool for removing work piece plugs from within the cylindrical body. The first aperture is axially spaced from the cutting end a first distance. The second aperture is axially spaced from the cutting end a second distance that is greater than the first distance. The first aperture and the second aperture are separated by a portion of the body.

Abstract: A metal cutting tool includes a main tool body and a slider element received at least partially in the main tool body and arranged movably relative. The slider element has a cutting edge or supports a cutting insert having a cutting edge. An internal coolant supply is arranged to supply coolant from the main tool body to the cutting edge and has a coolant channel running within the main tool body and within the slider element. The main tool body, or a transfer element that has the coolant channel being part of the internal coolant supply and connected with the main tool body, includes a first sealing surface on which an outlet of the coolant channel of the main tool body is arranged. The slider element, or the transfer element, includes a second sealing surface on which an inlet of the coolant channel of the slider element is arranged.

Abstract: A hole saw includes a substantially cylindrical body defining a cutting end and an axis of rotation. The hole saw also includes first and second apertures formed through the body and spaced from the cutting end such that a portion of the body extends between the cutting end and both the first and second apertures. The first and second apertures are both configured to receive a tool for removing work piece plugs from within the cylindrical body. The first aperture is axially spaced from the cutting end a first distance. The second aperture is axially spaced from the cutting end a second distance that is greater than the first distance. The first aperture and the second aperture are separated by a portion of the body.

Abstract: The present disclosure provides a socket tool which is used to be connected to a driving head of a tool, and the socket tool is especially suitable for a driving head which is equipped with a friction ring. The socket tool includes a connecting portion and a working portion. The connecting portion which is located on one side of the socket tool includes a top surface and a polygonal hole. The top surface is recessed along an axis of the socket tool to form an indentation which can accommodate the friction ring of the driving head. The polygonal hole which can accommodate the driving head penetrates the indentation along the axis of the socket tool. The working portion which is located on the other side of the socket tool has, for example, a hexagonal hole that can be used to cover a bolt or a nut. The indentation can accommodate the friction ring of the driving head, so that an abutting surface of the driving head can contact the top surface of the socket tool directly.

Abstract: A pipe threader comprises a housing and a drive assembly including a motor and an output gear having a first plurality of teeth. A die holder defines a rotational axis and includes a gear member including an outer circumference with a second plurality of teeth engaged with the output gear. The gear member includes an inner circumference with a key recess. A lock ring is rotatable relative to the gear member and including a contact surface. A key is arranged in the key recess and a biasing member in the key recess and biasing the key toward the rotational axis. The lock ring is movable between a locked position, in which the contact surface inhibits the key from moving away from the rotational axis, and an unlocked position, in which the key is movable away from the rotational axis in response to insertion of a die into the die holder.

Abstract: In accordance with various illustrative embodiments of the present disclosure, a rotationally symmetric surface of a workpiece is machined by a turning apparatus, wherein the workpiece is rotationally driven around a rotational axis, a cutting tool with a cutting edge positioned at the edge of a rake face is arranged relative to the workpiece, the cutting tool is brought into contact with the workpiece, and the cutting tool is advanced relative to the workpiece along a feed direction parallel to the rotational axis, the normal to the rake face being tilted relative to the feed direction, a first axis and a second axis, the first axis and the second axis are perpendicular to the feed direction and perpendicular to each other.

Abstract: A step drill includes a distal end, an opposite proximal end, a drill tip and at least one drill step. The drill tip has a tip at the distal end of the step drill and comprises a first number of geometrically defined cutters, each of which is paired with a first flute and lies on an imaginary first circular line about a longitudinal axis of the step drill. The imaginary first circular line has a first radius. The at least one drill step is arranged at a distance from the distal end and has an end face with a second number of geometrically defined cutters each of which is paired with a second flute and lies on an imaginary second circular line that runs about the longitudinal axis of the step drill and has a second radius. The first radius is smaller than the second radius. The first flutes of the drill tip and the second flutes of the drill step merge in a region, which is arranged at a greater distance from the distal end than the end face of the drill step, and form a single flute.

Abstract: A tool bit assembly can include a housing comprising a channel at least partially extending into the housing, one or more interacting features in the channel, and a shaft configured to fit within a drill chuck to allow a drill to turn the shaft. The shaft can be at least partially disposed within the channel to rotate and slide relative to the housing. The shaft can include a striking structure configured to interact with the one or more interacting features in the channel to cause the housing to actuate linearly relative to the shaft if the shaft is rotated relative to the housing and the striking structure is positioned to interact with the one or more interacting features.

Abstract: A method for forming a thread with a predefined thread pitch and with a predefined thread profile in a workpiece, in which a tool is used, wherein, during working movement, a thread generating region forms a thread, wherein the tool is moved during a second working phase further into the workpiece in the same forwards direction as in the working movement, as far as a reversal point, wherein the decelerating movement comprises a rotational movement in the same rotational direction as in the working movement, wherein during the decelerating movement, the axial feed movement is controlled in dependence on the rotational angle of the rotational movement of the tool and wherein the axial feed of the tool during a complete revolution, is smaller in terms of amount than the thread pitchat least during part of the decelerating movement and is zero at the reversal point.

Abstract: A tool bit holder includes an inner sleeve in which a longitudinal bore is defined in which a tool bit is receivable and a detent is engageable with the tool bit for locking the tool bit within the longitudinal bore. An outer sleeve surrounds the inner sleeve and is movable relative to the inner sleeve between a locking position, in which the detent is engaged with the tool bit for locking the tool bit within the longitudinal bore, and a release position, in which the detent may be disengaged from the tool bit to permit removal of the tool bit from the longitudinal bore. A spring is positioned between the inner sleeve and the outer sleeve. The spring biases the outer sleeve toward the locking position.

Abstract: A method for removing a portion of a structure is disclosed. The method includes attaching a first elongated member to the portion of the structure, receiving a second elongated member of a drilling assembly with the first elongated member, drilling into the structure with the drilling assembly while receiving the second elongated member with the first elongated member, and removing the portion of the structure that is attached to the first elongated member while urging the first elongated member with the second elongated member.

Abstract: An apparatus and method to aid in providing a bore through a solvent trap that is both vertical and aligned with the centerline of the solvent trap. The apparatus includes a base, cap, and drill bushing. The base includes an exterior and a first central opening that forms an interior. The first central opening is configured to receive at least a portion of a solvent trap. The cap is configured to be secured to a portion of the solvent trap and includes the drill bushing positioned within a second central opening of the cap. The drill bushing includes a third central opening configured to align a drill bit along a centerline of the solvent trap. The third central opening may be configured to permit passage of various sizes of firearm rounds.

Abstract: There is disclosed a jig device that can be used for processing a dental implant surgical guide. According to an aspect of the invention, there is provided a jig device for processing of a dental surgical guide, the jig device including: a base at which a surgical guide having an impression acquired in an oral cavity of a patient is disposed; a fixing unit which is provided at the base and at which one side of the surgical guide is seated; and a cover unit which allows the surgical guide to be disposed between the fixing unit and the cover unit and is formed to be openable and closeable so as to fix and/or unfix the surgical guide.

Abstract: A cutting head rotatable about a head axis, has a cap portion and a mounting protuberance joined thereto and extending axially rearwardly therefrom. The mounting protuberance has a plurality of circumferentially spaced apart torque portions axially offset from a plurality of circumferentially spaced apart clamping portions. The clamping portions have clamping surfaces circumscribed by an imaginary clamping circle with a clamping diameter. The torque portions have torque protrusions and torque cut-outs, each torque protrusion having a torque transmission surface at least partially located outside an imaginary clamping cylinder defined by the imaginary clamping circle, and each torque cut-out having a recessed surface located inside the imaginary clamping cylinder.

Abstract: A tool device for a hand-held power tool, which can be operated such that the tool device is rotated about an output shaft of a tool-holding device, has at least one connecting device, which is detachably connected to an output shaft of the power tool. The connecting device is fastened to the tool-holding device so that a drive axis of the output shaft and a tool axis of rotation substantially coincide. The connecting device has a cut-out and at least one clamping wing, which at least partly bounds the cut-out in the radial direction of the tool axis of rotation and which is bounded substantially in the direction radial to the tool axis of rotation by a first bounding edge, which lies on a first bounding circle around the tool axis of rotation. The clamping wing extends at least substantially along a plane orthogonal to the tool axis of rotation.

Abstract: A surface roughening tool includes a cylindrical body and at least one grooving blade outwardly radially projecting from the body and configured to form grooves and peaks into a surface. The surface roughening tool also includes at least one swaging blade outwardly radially projecting from the body and configured to deform the peaks. The at least one swaging blade is aligned with the at least one grooving blade along a circumference of the body.

Abstract: A self-adjusting pocket hole jig includes a base having a clamp end and a toggle end, a guide carried by the base and reciprocally movable between a raised position and a lowered position. A clamp assembly is carried by the base and reciprocally movable between an engaged position and a disengaged position. An adjustment mechanism is coupled between the guide and the clamp assembly. The adjustment mechanism is arranged to move the clamp assembly in a forward direction to the engaged position and correspondingly move the guide in a downward direction to the lowered position, and arranged to move the clamp assembly in a rearward direction to the disengaged position and correspondingly move the guide in an upward direction to the raised position.

Abstract: The invention relates to a cutting machine with a receiving area for a tube section and with a tool head (1) which can be rotated relative to the receiving area about a longitudinal axis (L), has at least one cutting tool (6) for machining a tube section end (40) of the tube section located in the receiving area, and has a support component (2), wherein the support component faces the receiving area and has an annular component (3) which rotates relative to the support component (2) about the longitudinal axis (L) and is designed to be randomly supported on a tube wall (42, 42) of the tube section end (40). The invention further relates to a corresponding method for reducing vibrations.