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Specification:
Model Number:U drill
Material:High quality steel
Use:Metal Drilling
Type:Indexable Drill Bit
Durometer:HRC57-62
Feature:
1. Secondary quenching process, effectively extend service life
2. Adopting high quality steel, the hardness is 2-3 times higher than ordinary steel.
3. Upgraded chip conveyor, faster chip removal.
4. Exquisite craftsmanship, smooth appearance and no burr.







