Chicago Latrobe 150DHT Series High-Speed Steel Jobber Length Parabolic Drill Bit Set with Metal Case, TiN Coated, 135 Degree Notched Point, Inch, 29-piece, 1/16 - 1/2 in 1/64 increments by Chicago Latrobe

商品説明

Set of 29 parabolic jobber length drill bits includes inch sizes 1/16 through 1/2 in 1/64 increments;High-speed steel (HSS) provides hardness for wear resistance;Titanium nitride (TiN) coating offers high hardness for increased wear resistance and extended tool life compared to an uncoated drill bit on ferrous and nonmetallic materials;135-degree notched point penetrates material more easily than a conventional point;Drilling depth up to between eight and twelve times the drill bit diameter