HALJIA 6 pcs 90 Degree 3 Flutes HSS Countersink Drill Bit Chamfer Cutter End Mill Cutting Chamfering Tools 6.3 to 20.5mm

Specifications: diameter of the countersink top: 20.5mm,16.5mm,12.4mm,10.4mm,8.3mm,6.3mm; diameter of the bottom:10mm,10mm,8mm,6mm,6mm,5mm; length overall: 64.5mm,60mm,56.5mm,50mm,50mm,45mm 3-flutes 90 degrees chamfer drill bits,Material-high speed steel 4241 Suitable for processing metal and some non-metallic materials, such as carbon steel,thin iron plate, insulation board, PVC board, wood plate and so on The high-quality countersink drill bits can remove burrs well without leaving scratches. They are compatible with all kinds of common drill and drilling machine, recommend bench drill to use, Manufacturer: HALJIA