Dormer R457 系列 4.2mm直径 固体碳化物 短 钻头 R4574.2, 140°尖, 6mm长 直杆, 66 mm总长

Solid Carbide TiAlN Straight Shank MPX Short Series Drill, Coolant Feed (R457)

Solid Carbide short length drill for excellent performance machining
Titanium Aluminium Nitride Coating for outstanding productivity and tool life
Strong web design gives excellent cross-sectional strength and facilitates chip evacuation
140° point angle
Capable of drilling up to 3x diameter in most materials

标准

DIN 6535 HA