punch
70-1xx series Armstrong Tools

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punch punch - 70-1xx series
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Description

Made in the USA - quality and availability
Manufactured from shock resistant tool steel for unequalled strength, toughness, and durability; higher hardness without brittleness
Full shank heat treat is a 2 step process where the entire length of the tool is hardened and tempered, then the struck end is drawn back for to resist "mushrooming" and "chipping" extending the life of the tool
Pin area precision ground to prevent any "binding" in work area
Modified parabolic head directs the striking force to the center of the tool for greater resistance to "mushrooming" and "chipping"
Black oxide finish with 2 polished panels for easy size identification and visible "wear safety goggles" reminder
Hex stock fits more securely in a punch & chisel holder and also reduces the tendency to roll on work surfaces
Meets or exceeds ASME B107.48m and US Federal Spec. GGG-P-831F