13pcs Twist Drill Bits

specification: 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm 6.5mm 3.2mm 4.8mm
Material: HSS

 

Application:

Twist drill bit can be wildely used in gold, wood, tools, lathe, milling machine etc. machine tools.