Countersinks all composition materials, solid surface materials, plywoods, hardwoods, and softwoods. Use with carbide tipped boring bits on automatic or manual multi-spindle boring machines.
- Thick micrograin carbide tips
- Precision machined for best results
- High production industrial grade
- 20mm Outside diameter, 10mm inside diameter
- LH rotation (left hand tools rotate counter-clockwise)
- 16.5mm overall length
- Made in USA