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2. Hole saw - Wikipedia

   en.wikipedia.org/wiki/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 teeth from walking. The fact that a ...

3. Carbide saw - Wikipedia

   en.wikipedia.org/wiki/Carbide_saw

   Therefore, carbide saws were also called cold saws. Other names include cold cut saws, cold circular saws, cold cut off saws or circular cold saws. In 1963, the American Company, Ingersoll Milling Machine Co. in Rockford, Illinois, developed the first carbide plate saw that was used to cut steel plates with carbide tipped circular saw blades ...

4. Power tool - Wikipedia

   en.wikipedia.org/wiki/Power_tool

   In the past, stationary tools were powered by windmills, water wheels, and steam. Some museums and hobbyists still maintain and operate stationary tools powered by these older power sources. Portable electric tools may be either corded or battery-powered. Compressed air is the customary power source for nailers and paint sprayers.

5. Drill - Wikipedia

   en.wikipedia.org/wiki/Drill

   A hand-held corded electric drill A lightweight magnetic-mount drill. A drill is a tool used for making round holes or driving fasteners. It is fitted with a bit, either a drill or driver chuck. Hand-operated types are dramatically decreasing in popularity and cordless battery-powered ones proliferating due to increased efficiency and ease of use.

6. Stanley Black & Decker - Wikipedia

   en.wikipedia.org/wiki/Stanley_Black_&_Decker

   Stanley Black & Decker, Inc., formerly known as The Stanley Works, is a Fortune 500 American manufacturer of industrial tools and household hardware, and a provider of security products. Headquartered in the Greater Hartford city of New Britain, Connecticut , [ 3 ] Stanley Black & Decker is the result of the merger of The Stanley Works and ...

7. Drill bit - Wikipedia

   en.wikipedia.org/wiki/Drill_bit

   Masonry bits up to 1,000 mm (39 in) long can be used with hand-portable power tools, and are very effective for installing wiring and plumbing in existing buildings. A star drill bit, similar in appearance and function to a hole punch or chisel, is used as a hand powered drill in conjunction with a hammer to drill into stone and masonry. A star ...