High-performance ground twist drill made from heavy-duty high speed steel. The fully ground twist drill has a precise concentricity.
Technical data
Coating - uncoated
Shaft - cylindrical
Cutting direction - left hand cutting
Tip grinding - Shape N: Helical point normal ground
Tolerance - h8
Spiral angle - 25° - 30°
Drilling depth - 5 x diameter
Groove profile - normal
Core - normal
Point angle - 118°