8631G

In HARD METAL (HM), FIRE-coated (special Titanium Nitride and Aluminium multilayer coating). For high-speed working with nebulized lubrication-cooler. (Dry working with cast iron only).
Right rotation. Supplied without screws.

Non-chamfered, suitable for drilling materials with resistance up to 600N/sqmm.

Plates Art. 8631 G up to 25 mm suitable for Plates holders Art. 8625 G / 8625 GL / 8625 GP / 8628 G / 8628 GL / 8629 G / 8629 GL from Gr. 1 to Gr. 6.
Plates Art. 8631 G from 26 to 35 mm suitable for plate holders Art. 8625 G / 8625 GL / 8625 GP Gr. 7-8, Art. 8627 G / 8627 GL Gr. 1-2.