Drill Rod Tool Steels 66747 O1 Tool Steel Flat Stock

Product Description

The DRILL ROD TOOL STEELS 66747 is an O1 oil-hardening tool steel flat stock bar measuring 3/16 inches thick, 3/4 inches wide, and 18 inches long. O1 tool steel is a general-purpose, oil-quenched grade known for good wear resistance, machinability in the annealed state, and dimensional stability during heat treatment. This flat stock is supplied in the annealed condition, ready for machining before hardening. Machinists, toolmakers, and die makers use this material to fabricate punches, dies, gauges, cutting tools, and fixtures. Tight tolerances on thickness, width, and length make it suitable for precision tooling applications where consistency across pieces is required.

This flat stock is suited for job shops, tool-and-die operations, and maintenance departments working on custom tooling, jigs, and precision components. It is appropriate for both light production and prototype work where an oil-hardening steel grade is specified. The 18-inch length accommodates a range of common tooling blanks without requiring significant initial stock removal.

Key Features

• AISI Type O1 oil-hardening tool steel for consistent heat-treat response
• Supplied annealed for ease of machining prior to hardening
• Thickness tolerance of plus or minus 0.001 inches for precise stock sizing
• Width tolerance of plus 0.005 inches, minus 0.000 inches
• Length tolerance of plus 0.25 inches for safe oversize stock
• Squareness held to 0.003 inches on edges and 0.004 inches per inch of thickness on ends

Compatibility

Designed as a standard O1 oil-hardening tool steel flat stock suitable for general toolmaking, die-making, and precision machining applications where AISI Type O1 material specification is required.

Installation Notes

Machining should be performed in the annealed condition before heat treatment. Oil hardening requires controlled quenching in an appropriate quench oil - consult a qualified heat treater or metallurgist for proper hardening and tempering procedures specific to the finished part geometry. Follow all applicable shop safety practices when handling tool steel stock and operating machining equipment.