Proto, J445/16S2, Punch, 5/16 in, S2 Steel, Black Oxide Finish, 5.000 in

Crafted for strength and longevity, this punch features a one-piece design that ensures durability in demanding applications. Made from S2 steel and specially heat-treated, it excels at sheet metal work, making it ideal for scribing and punching starting holes for screws. The tool s modified parabolic striking end is designed to minimize mushrooming and chipping, while its reverse taper helps prevent binding during use. To enhance user convenience, a polished identification panel marks the tool size and number clearly, complemented by a black oxide finish that resists rust and corrosion, ultimately extending the tool s life and performance.

Features

• One-piece design for strength and durability
• Made from S2 steel and specially heat-treated for greater strength and durability
• Application: sheet metal work for scribing and for punching starting holes for sheet metal screws
• A polished identification panel on one of the flats is marked with the tool number and size in a black inlay
• Reverse taper to help prevent binding
• Modified parabolic striking end to help reduce mushrooming and chipping
• Black oxide finish to help prevent rust corrosion; extending tool life and performance

• Length: 5.000 in
• Size: 5/16 in
• Height: 0.200 in
• Width: 0.200 in
• Weight: 0.100 lbs
• Material: S2 Steel
• Finish: Black Oxide
• Country of Origin: United States