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2. Circular saw - Wikipedia

   en.wikipedia.org/wiki/Circular_saw

   Circular saws may also be loosely used for the blade itself. Circular saws were invented in the late 18th century and were in common use in sawmills in the United States by the middle of the 19th century. A circular saw is a tool for cutting many materials such as wood, masonry, plastic, or metal and may be hand-held or mounted to a machine.

3. Cold saw - Wikipedia

   en.wikipedia.org/wiki/Cold_saw

   Cold saw blades are used to cut metal using a relatively slow rotational speed, usually less than 5000 surface feet per minute (SFM) (25 m/s), and a high chip load per tooth, usually between .001"–.003" (0.025–0.08 mm) per tooth. These blades are driven by a high power motor and high-torque gear reduction unit or an AC vector drive.

4. Saw - Wikipedia

   en.wikipedia.org/wiki/Saw

   Circular saw: a saw with a circular blade which spins. Circular saws can be large for use in a mill or hand held up to 24" blades and different designs cut almost any kind of material including wood, stone, brick, plastic, etc. Table saw: a saw with a circular blade rising through a slot in a table. If it has a direct-drive blade small enough ...

5. Carbide saw - Wikipedia

   en.wikipedia.org/wiki/Carbide_saw

   These attributes are all necessary for carbide sawing. Also, the existing tooth geometry with positive cutting angles caused cracking of the carbide tips which were harder and consequently, more brittle than the high-speed steel (HSS) circular blades. The name carbide saw came from the tool, a circular saw blade, with silver soldered carbide tips.

6. Skilsaw - Wikipedia

   en.wikipedia.org/wiki/Skilsaw

   The following year, 2016, brought three new metal cutting saws, including the first 8-inch worm drive optimized for metal, a 12-inch dry cut saw and a 14-inch abrasive chop saw. [ citation needed ] In addition to metal cutting, SKILSAW also announced a saw for fiber cement in 2015 [ 7 ] and the first worm drive saw for concrete in 2016. [ 8 ]

7. Tabitha Babbitt - Wikipedia

   en.wikipedia.org/wiki/Tabitha_Babbitt

   The circular saw was connected to a water-powered machine to reduce the effort to cut lumber. [ 4 ] [ 5 ] The first circular saw she allegedly made is in Albany , New York . [ 6 ] In the summer of 1948, a version of Babbitt's saw, built to her specifications, was on display at a Shaker exhibit at Fenimore House in Cooperstown, N. Y., as a loan ...