Smooth inner wall ensure waste paper quickly push out HIgh quality steel grade Long life

Smooth inner wall to ensure good quality Complete range of dia. from 2.5mm to

1.made ofhss tool steel

2.paper punching

3.professional heat treatment

12mm High quality steel grade Long life

Different dia. available from dia. 3mm to 10mm

International Standard

Smooth inner wall ensure waste paper quickly push out

HIgh quality steel grade

Long life

3A drill bits