Bộ 13 mũi khoan tiểu li HHS mạ Titan thân xoắn đuôi trơn SATA 52913 (từ 1mm - 6mm)

Bộ 13 mũi khoan tiểu li HHS mạ Titan thân xoắn đuôi trơn SATA 52913 (từ 1mm - 6mm)
10Pc. HSS-TiN Twist Drill Set
Các số mũi khoan gồm: 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0, 6.5mm
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● This product is made of High Speed Steel. The drill bit is formed by fully ground with precision dimension
● 135°double clearance angle has the auto-centering function to prevent slippage during drilling
● TiN coating on the surface is adopted to effectively increase the cutting speed and prolong the service life