Bộ 25 mũi khoan Inox SATA 52825 thép M35 mạ Coban 5% (từ 1mm - 13mm)

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Bộ 25 mũi khoan Inox SATA 52825 thép M35 mạ Coban 5% (từ 1mm - 13mm)
25Pc. Cobalt Twist Drill Set
Gồm các số mũi khoan sau:
1.0,1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5,10.0, 10.5, 11.0, 11.5, 12.0, 12.5, 13.0MM

● This product is made of M35 high-speed steel containing 5% cobalt
● The drill bit is formed by grinding and with precision dimension
● 135°double clearance angle has the auto-centering function to prevent slippage during drilling
● Fine thread technology is adopted to effectively increase the cutting speed and prolong the service life