High-performance rolled, steam-treated twist drill made from heavy-duty high speed steel. The manufacturing procedure (no structural disruption) solidifies the material making it more elasticated. This makes it more resistant to fracture and suitable for robust drilling units (e.g. hand-held drilling machines).Ideally suitable for drilling larger drilling diameters on all commonly-used drilling machines with a clamping chuck up to 13,0 mm.
Drilling depth
5 x diameter
Technical data
Coating - Black surface
Shaft - reduced Shank
Cutting direction - right 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°
Application areas
Main application - Steel < 900 N/mm²