PRODUCT CATALOG
◆ | 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 |
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