✱Hole Tolerance IT8-lT9, Surface Roughness Ra1.6~3.2 um

✱Drilling and Reaming in One Operation,Processing Efficiency Increased by50%~60%

✱Optimized Chip Removal forThrough-Hole Machining

✱Multiple Resharpening Possible, Up to18 Times, Resharpened Tool Life CanReach 90% of New Tool Life