Heule Tool Corporation GH-E/Z

The GH-E/Z is a twin-bladed front and back counterboring tool that produces accurate back spotfaces, large countersinks and precision forms. Reversing the spindle actuates the cutting insert with positive control.

Rigid blades, which do not flip out, are keyed within the blade housing to offer balanced force distribution.

This is Heule’s strongest and most durable automatic back boring tool.

Additional Information


  • No chip interference with blade activation
  • Suitable for CNC machines
  • Available in sizes 8 mm-80 mm (0.315″-3.150″)