Product describe and purpose:
Second punch is one of the screw-formed tools, also named punch, heading punch, it's used to form the head of screw. Second punch is replaceable and disposable tools, it's major used to finish the head of screw and the recess shape of screw.(ie. Phillips, Pozi, Hexagon, Square and Six-lobe recess) Made of high speed steel.
Standard specification:
12x25mm 11.11x25.40mm
14x25mm 14.29x25.40mm
18x25mm 22.22x25.40mm
23x25mm 25.40x25.40mm
25x25mm
30x25mm
Weight:
12x25mm: 23g/pc 11.11x25.40mm: 20g/pc
14x25mm: 31g/pc 14.29x25.40mm: 33g/pc
18x25mm: 52g/pc 22.22X25.40mm: 78g/pc
23x25mm: 84g/pc 25.40X25.40mm: 102g/pc