DRILLING, JOBBER（4D-7D）, Solid round tools, Taper (8D - 30D)
SOLID CARBIDE DRILLS D938-A3C 3D Inner Cooling Twist Drills for Steel
- Suitable for drilling Steel（≤48HRC）, Cast Iron.
- Unique cutting edge preparation to add strength to the cutting edge, and improve the drilling stability.
- New AlTiN-nano coating, superior wear resistance, longer tool life.
- Straight cutting edge, improves tool strength.
200 in stock