RotoDrive Countersink

The quickest way to chamfer

Single flute countersink provides a smoother cut.

NG-1 NogaGrip Handle with RD10.4 blade. This covers the range 1-10.4mm.

6 other RD blades are available that also fit the NG-1 Handle in the ranges 3mm, 6mm, 8.3mm, 16.5mm, 20mm plus an external RotoDrive blade

Blades are High Speed Steel and Hardness 62-64Rc