Chicago Latrobe 159 Series High-Speed Steel Short Length Drill Bit Set In Metal Case, Black Oxide Finish, 135 Degree Split Point, Wire Size, 60-piece, #60 - #1 by Chicago Latrobe

商品説明

Set of 60 short length drill bits includes one each of wire gauge sizes #60 through #1;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