COUNTER BORING
Counter boringOpen up and finish existing holes.
818 series counter boring heads enlarge existing holes with precision. There are two types: TBH, which machines on the push, and BBH, which machines on the pull. Ø38.10–165.60 mm is available from stock and larger diameters are made to order.
COUNTER BORING LINE-UP
Line-up by diameter.Counter boring line-up.
One diameter range, two methods: push (TBH) and pull (BBH).
Need a size that isn’t listed?Send us the drawing.
Tell us the workpiece material, hole diameter, depth and machine, and we will suggest the right tool.

