36mm drill bits, 36mm drill bits Suppliers and ...
These jobbers'-length bits have the rigidity and length required for most applications.. Black-oxide and black-and-gold-oxide drill bits produce less friction than uncoated drill bits.. Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated and oxide-coated drill bits.. For technical drawings and 3-D models, click on a part number.
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