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 cutting tool includes a hole saw and an arbor assembly removably coupled to the hole saw. The arbor assembly includes a shank having a first end, a second end opposite the first end and configured to be coupled to a power tool, a body between the first and second ends, and an longitudinal axis extending centrally through the shank between the first and second ends. The body includes a recess. The arbor assembly also includes a sleeve supported by the shank, the sleeve including a central bore that receives the shank and a locking member positioned in the central bore, the locking member formed as a single, monolithic piece with a remainder of the sleeve, the sleeve moveable between a first position, in which the locking member engages the recess, and a second position, in which the locking member is spaced apart from the recess.

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: An accessory for use with an oscillating power tool. The accessory includes an attachment portion including a mounting aperture arrangement configured to couple with the oscillating power tool. The accessory also includes a body extending away from the attachment portion in a longitudinal direction defining a longitudinal axis, a distal end portion including a generally planar surface and a cutting edge configured to perform a material-removing operation, and a conduit extending from proximate the cutting edge towards the attachment portion. The conduit is configured to convey material removed during the material-removing operation towards a vacuum system.

Abstract: A drilling tool includes a drive assembly with a shank that is configured to couple to a power tool and a step drill bit. The step drill bit includes a body having a proximal end adjacent the shank, a distal end opposite the proximal end, and a bit axis extending centrally through the body between the proximal end and the distal end. The body is defined by a wall extending around the bit axis to define a hollow interior cavity of the body. The step drill bit also includes a plurality of axially stacked, progressively sized steps with a first step at the proximal end and a terminal step at the distal end and a flute extending from the proximal end to the distal end. The flute defines a cutting edge.

Abstract: A method of creating a cladded tool with a distributor including a feed mechanism and an energy source. The method includes providing a substrate and distributing particulate material from the feed mechanism onto the substrate. The particulate material includes agglomerated particles with diameters between 30 and 100 microns. The method also includes activating the energy source to produce a beam spot on the particulate material, the substrate, or both and at least partially melting the particulate material, the substrate, or both with the beam spot to form a bonded layer of particulate material on the substrate.

Abstract: A hole saw including a cylindrical body with an outer wall extending along an axis of rotation from a cap end to a cutting end. The cutting end includes a plurality of cutting teeth disposed continuously around a circumference of the cutting end. The hole saw includes at least one elongated aperture disposed along the outer wall of the cylindrical body that is configured to receive a tool for removing one or more plugs from within the cylindrical body. The at least one elongated aperture has a first slot portion disposed adjacent to the cutting end and substantially parallel to the cap end, a second slot portion connected to the first slot portion at a first end of the second slot portion, and a third slot portion coupled to the second slot portion at a second end of the second slot portion opposite the first end.

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 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 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 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 hole saw including a cylindrical body with an outer wall extending along an axis of rotation from a cap end to a cutting end. The cutting end includes a plurality of cutting teeth disposed continuously around a circumference of the cutting end. The hole saw includes at least one elongated aperture disposed along the outer wall of the cylindrical body that is configured to receive a tool for removing one or more plugs from within the cylindrical body. The at least one elongated aperture has a first slot portion disposed adjacent to the cutting end and substantially parallel to the cap end, a second slot portion connected to the first slot portion at a first end of the second slot portion, and a third slot portion coupled to the second slot portion at a second end of the second slot portion opposite the first end.

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 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 cutting tool includes a body having a cutting edge. A plurality of cutting teeth is formed on the cutting edge. Each cutting tooth includes a tip, a rake face extending from the tip, a planar primary relief surface extending from the tip, and a concave secondary relief surface extending from the primary relief surface. The cutting tool further includes a plurality of non-cutting protrusions formed on the cutting edge. Each non-cutting protrusion includes an apex, a leading edge extending from the apex, and a trailing edge extending from the apex. A plurality of primary and secondary gullets is formed on the cutting edge. Each primary gullet is formed between the secondary relief surface of one cutting tooth and the leading edge of one non-cutting protrusion. Each secondary gullet is formed between the rake face of one cutting tooth and the trailing edge of one non-cutting protrusion.

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 cutting tool includes a body having a cutting edge. A plurality of cutting teeth is formed on the cutting edge. Each cutting tooth includes a tip, a rake face extending from the tip, a planar primary relief surface extending from the tip, and a concave secondary relief surface extending from the primary relief surface. The cutting tool further includes a plurality of non-cutting protrusions formed on the cutting edge. Each non-cutting protrusion includes an apex, a leading edge extending from the apex, and a trailing edge extending from the apex. A plurality of primary and secondary gullets is formed on the cutting edge. Each primary gullet is formed between the secondary relief surface of one cutting tooth and the leading edge of one non-cutting protrusion. Each secondary gullet is formed between the rake face of one cutting tooth and the trailing edge of one non-cutting protrusion.

Abstract: A cutting tool includes a body, a plurality of cutting teeth formed on the body, a plurality of non-cutting protrusions formed on the body, and a plurality of gullets formed on the body. Each gullet is formed between one of the plurality of cutting teeth and one of the plurality of non-cutting protrusions. Each gullet has a base and a gullet depth measured from the base to a tip of a corresponding cutting tooth. Each non-cutting protrusion is located approximately halfway between the tips of two adjacent cutting teeth and has a height that is at most about 75% of the gullet depth.

Abstract: A hole saw includes a cylindrical body disposed along an axis of rotation with a side wall extending axially from a cap end to a cutting end. The cutting end includes a plurality of cutting teeth. The hole saw also includes a cap coupled to the cap end of the cylindrical body. The side wall defines an elongated aperture configured to receive a tool for removing work piece plugs from within the cylindrical body. The elongated aperture has a first slot portion adjacent the cutting edge. The first slot portion is oriented perpendicular to the axis of rotation. The elongated aperture also has a second slot portion connected to the first slot portion and extending from the first slot portion toward the cap end. The second slot portion is oriented at an oblique angle relative to the axis of rotation.

Abstract: A hole saw includes a cylindrical body disposed along an axis of rotation with a side wall extending axially from a cap end to a cutting end. The cutting end includes a plurality of cutting teeth. The hole saw also includes a cap coupled to the cap end of the cylindrical body. The side wall defines an elongated aperture configured to receive a tool for removing work piece plugs from within the cylindrical body. The elongated aperture has a first slot portion adjacent the cutting edge. The first slot portion is oriented perpendicular to the axis of rotation. The elongated aperture also has a second slot portion connected to the first slot portion and extending from the first slot portion toward the cap end. The second slot portion is oriented at an oblique angle relative to the axis of rotation.