Dormer A125 系列 4mm直径 高速钢 长 钻头 A1254.0X160, 118°尖, 4mm长 直杆, 160 mm总长

HSS Straight Shank Extra Length Drill (A125)

High Speed Steel extra length drill for general machining applications.

Ideal for long reach applications and for drilling deeper holes by interrupted drilling (pecking)
Steam tempered finish improves wear resistance
Capable of drilling holes up to 10x diameter in most materials

标准

BS 328