5/16" Roll Pin Punch

Made of the highest grade carbon steel, accurately hardened and tempered, preventing splintering and extending life • Powder coated shank protects against rust • Edges accurately tempered to stay sharp • Extra-thick hexagonal shanks minimize roll away • Working ends accurately ground and hardened to HRC 52-58 for maximum service • Striking end hardened to HRC-42 maximum – won’t chip or mushroom • Meets Canadian Government Specifications CDA39GP-43a • Warning: Always use punches and chisels on materials softer than the hardness of the punch itself