Chicago Latrobe 159 Series High-Speed Steel Short Length Drill Bit Set In Metal Case, Black Oxide Finish, 135 Degree Split Point, Inch, 21-piece, 1/16 - 3/8 in 1/64 increments by Chicago Latrobe

商品説明

Set of 21 short length drill bits includes inch sizes 1/16 through 3/8 in 1/64 increments;High-speed steel (HSS) provides hardness for wear resistance;Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials;Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging;Extra thick web for increased strength and rigidity compared to standard drill bits