OCGIG 4pcs Countersink Chamfer Tool HSS 4241 Deburring Tool Set Metal Wood Drill Bits
- Shank type: round, Sizes: 2-5mm,5-10mm, 10-15 mm, 15-20mm.
- Ideal for cutting through metal, wood and plastic (hardness .
- 90° angle on the point for sharp and precise countersinking, used for workpiece circular aperture chamfering or cone hole.
- This bits should use the bench drill , it is easy to shake and it will affect the chamfering effect if you use the hand drill.