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2. Hole saw - Wikipedia

   en.wikipedia.org/wiki/Hole_saw

   A 115 mm (4.5 in) diamond hole saw. A hole saw (also styled holesaw), also known as a hole cutter, [1] is a saw blade of annular (ring) shape, whose annular kerf creates a hole in the workpiece without having to cut up the core material. It is used in a drill. Hole saws typically have a pilot drill bit (arbor) at their center to keep the saw ...

3. The Best Hole Saws for Creating Perfectly Round Holes in a ...

   www.aol.com/lifestyle/best-hole-saws-creating...

   7-Piece Hole Cutter Set. $179.99. amazon.com. More. 6-In. Bi-Metal Non-Arbored Hole Saw. If you need to make large holes for vents or can lights, consider this six-inch Lenox saw. The large teeth ...

4. Drill bit - Wikipedia

   en.wikipedia.org/wiki/Drill_bit

   Drill bit. From top: Spade, brad point, masonry, and twist drills bits. Drill bit (upper left), mounted on a pistol-grip electric drill. A set of masonry drills. A drill bit is a cutting tool used in a drill to remove material to create holes, almost always of circular cross-section. Drill bits come in many sizes and shapes and can create ...

5. Annular cutter - Wikipedia

   en.wikipedia.org/wiki/Annular_cutter

   Annular cutter. An annular cutter (also called a core drill, core cutter, broach cutter, trepanning drill, hole saw, or cup-type cutter) is a form of core drill used to create holes in metal. An annular cutter, named after the annulus shape, cuts only a groove at the periphery of the hole and leaves a solid core or slug at the center.

6. Reamer - Wikipedia

   en.wikipedia.org/wiki/Reamer

   A typical reamer consists of a set of parallel straight or helical cutting edges along the length of a cylindrical body. Each cutting edge is ground at a slight angle and with a slight undercut below the cutting edge. Reamers must combine both hardness in the cutting edges, for long life, and toughness, so that the tool does not fail under the ...

7. Hacksaw - Wikipedia

   en.wikipedia.org/wiki/Hacksaw

   The most common blade is the 12 inch or 300 mm length. Hacksaw blades have a hole at each end for mounting them in the saw frame and the 12 inch / 300 mm dimension refers to the center to center distance between these mounting holes. [4] The kerf produced by the blades is somewhat wider than the blade thickness due to the set of the teeth.