Boring bits for blind holes in HW with 4 spiral flutes and 2 negative sharpening ground spurs. Ideal for laminates, solid wood and wood composites. With centring point and parallel shank with driving flat and adjusting screw. Total length 85 mm
Design
- Head in HWM
- 2 cutting edges in HW
- 2 negative sharpening ground spurs
- 4 spiral flutes