TG Profitools 4241 HSS Diamond Surface Finish Carbide Drill Bits 4-40mm round Shank Step Drill Bit for Steel Machine Tools
The Tg Profitools 4241 drill bit is designed for steel machine tools. It is based on high-speed steel, combined with carbide material, strong and durable. The diamond-like treatment of the surface significantly improves the hardness and wear resistance of the bit. The 4-40mm round shank ladder design can meet the drilling needs of different bore holes, without frequent change of drill bits, greatly improving the processing efficiency, and is a reliable choice in the field of machine tool processing.