Since 1907 Proto® punchs and chisels are made from tough alloy steel and offer the Professional Advantage you need for top quality craftsmanship.
Proto® punches and chisels are hardened quenched and tempered to precise specifications for durable hard tips and cutting edges Each Proto® punch and chisel offers a modified parabolic struck end for greater resistance to mushrooming and chipping Every Proto® cold chisel is designed with a cutting edge that is hand ground to exact angles for cutting through soft cast iron, brass, copper, aluminium, mild steel, bolts and rivets Proto® standard duty punches have a two piece design that allows the tip to have a separate hardness to prevent peening and alows the tip to be produced straighter elimnating binding
Attribute
Value
Overall Length
4 4/8 → 6 in
Shank Diameter
1/4 → 7/16 in
Number of Pieces
12
Punch Type
Pin
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