Round shank
High speed steel material
Durable and sharp
Diameter: 10mm-20mm
Customized size
HSS taper drill bit
Diameter: 3mm,3.5mm,4.0mm,4.5mm,5.0mm,5.5mm,6.0mm
High speed steel
Diameter: 5mm-20mm
Diameter: 3mm-8mm
Diameter: 3mm-20mm
HSS material
alloy blade
Ball Diameter: 10mm-30mm