Prdouct name: Screw Punch Set with Stepped Drill

Item NO.: DF05001

Size:38MM,38MM,25MM,16MM
1.property assembled through pilot holes, they will make clean, fast and accurate holes;

2.capacity: mild steel up through 3.5mm;

3.application:puch mild steel, aluminum, fiberglass and plastic

One of the screw punches' drawing

All the sizes of the screw punch

The production flow