High speed steels are grouped into four major categories - general purpose (e.g. M2), wear resistant (e.g. M3 and M4), cobalt-type (e.g. M35 and M42), and super high speed (e.g. Rex 20, Rex 45, Rex 54, T15, Rex 76, and Rex 121).The price is good (even for M-2 stainless) and if used primarily for woodworking, I would expect them to remain sharp for a good long time.I felt like the description was promoting an industrial grade bit and so I just wanted to make sure this was clear - these are hobbyist and homeowner bits for sure.
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Product Description:
The Irwin Turbomax 15-Piece Turbo Point Bit Set is a standard 118 degree point collection for use in drilling wood, metal, and plastic. The included bits are constructed of M-2, 8 percent cobalt, high-speed steel for the best combination of strength, heat resistance, and wear resistance. Other features include a sliding latch design for added security, and a durable rubber-sided case for added impact resistance.
What's in the Box
Two 1/16-, 5/64-, two 3/32-, 7/64-, two 1/8-, 9/64-, 5/32-, 3/16-, 7/32-, 1/4-, 5/16-, and 3/8-inch turbo point bits.
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