DULALA Countersink Drill Bits 6 Pcs Cobalt Steel Single-End Countersink Chamfer Tool Deburring Tool Set Round Shank
- Idea for cutting through plastic, aluminum, copper, stainless steel, aluminum plate, insulation boards, and PVC sheet, ect.G
- Sizes : 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm
- The chamfering with a groove, easier to discharge debris and the High Carbon Steel Drill Bit not easy to blunt