Bilog na shank
Mataas na bilis ng materyal na bakal
Matibay at matalas
Diameter: 10mm-20mm
Customized na laki
HSS taper drill bit
Diameter: 3mm,3.5mm,4.0mm,4.5mm,5.0mm,5.5mm,6.0mm
Mataas na bilis ng bakal
Diameter: 5mm-20mm
Diameter: 3mm-8mm
Diameter: 3mm-20mm
materyal ng HSS
talim ng haluang metal
Diameter ng Bola: 10mm-30mm