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The DRILL ROD TOOL STEELS 03718368 is an A2 air-hardening tool steel flat stock bar sized at 0.375 inches thick, 0.5 inches wide, and 36 inches long. A2 tool steel offers a balanced combination of wear resistance and toughness, with predictable dimensional stability through the air-hardening process. This flat stock is precision-ground to tight tolerances, making it well-suited for die making, punches, gauges, and tooling blanks. Machinists, tool-and-die makers, and metal fabricators work with this material when building or reworking tooling that requires consistent cross-section dimensions prior to heat treat.
A2 air-hardening flat stock is commonly used in toolroom and job-shop environments for fabricating cutting tools, forming dies, fixtures, and wear components. The 36-inch length provides sufficient stock for most standard tooling applications without requiring a mill-length order. The ground finish and close tolerances allow the stock to go directly to layout and machining operations with minimal cleanup. This bar is appropriate for both prototype tooling and short-run production die components.
Designed as a general-purpose A2 tool steel flat stock bar for toolroom, die-making, and machining applications requiring AISI A2 air-hardening material.
A2 tool steel should be machined prior to heat treatment; allow adequate stock for grinding to final dimensions after hardening. Air-hardening steels are hardened by heating to austenitizing temperature and cooling in still air - consult a qualified heat treater for proper cycle parameters. Use appropriate personal protective equipment when cutting or grinding tool steel stock. Follow applicable shop safety standards for material handling of bar stock.
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