Viking Drill and Tool 43390 Type 240-A 135 Degree Split Point HSS Black Jobber Length Drill Bit Set (60 Piece) by Viking Drill & Tool

商品説明

60 pc. Set High Speed Steel 135-Degree Split Point Heavy Duty Jobber Black Oxide NAS 907B;135-Degree split point for accurate centering and fast penetration;High speed steel provides good wear resistance, can be used in general purpose applications for ferrous and nonferrous materials;Black oxide prevents chip building, galling and welding. Commonly used for low carbon, stainless and ferrous metals;NAS 907B Heavy Duty Jobber