RBH045 Professional Hss Drill Bit Metric Surface 4.5mm\r\n- Made of robust HSS steel.- In accordance with DIN 338.- Robust drill bit with high break resistance.- Chisel edge with strong side edges.- Insensitive to lateral forces.\r\nThe RBH045 Hss Drill Bit Metric Surface 4.5mm is Made of robust HSS steel and in accordance with DIN 338 and a Robust drill bit with high break resistance. This is a 118 tip angle for better heat removal and precise pilot drilling. This is also Optimum chip removal through type N spirals. Titanium-coated HSS drill bits for drilling metal that's can be used with wood, plasterboard, and plastics.\r\nFeatures:\r\n- Standard: 4241 Type.- Material: High-Speed Steel.- Usage: Metal, can be used with wood, plasterboard, and plastics.- Supplied in a case of 10 bits.- Length: 4.5mm.- Finish Type: Aluminum.- Shank type: Straight.- Long working life.- Rolled high speed.- Straight shank HSS drill bit.