Value Collection NS06182257 O1 Tool Steel Flat Stock

Product Description

The VALUE COLLECTION NS06182257 is an O1 oil-hardening tool steel flat stock bar used in toolmaking, die work, jig fabrication, and precision machining applications. Manufactured to AISI Type O1 specification, this flat stock measures 1.5 inches thick, 2.5 inches wide, and 18 inches long, with a finished weight of 19.34 pounds. O1 tool steel offers excellent machinability in the annealed state and responds well to oil-quench hardening, making it a standard choice for punches, dies, gauges, and cutting tools. Machinists and toolmakers rely on close-tolerance flat stock like this to minimize stock removal before final grinding.

This flat stock is suited for job shops, toolrooms, and maintenance departments requiring reliable, ready-to-machine O1 bar stock. The 18-inch length provides workable blank length for most die sets and tooling fixtures. Typical applications include blanking dies, form tools, drill jigs, and precision gauging components where oil-hardening response and dimensional consistency are required. The tight thickness tolerance of plus or minus 0.001 inches supports accurate layout and reduced setup time at the surface grinder.

Key Features

• AISI Type O1 oil-hardening tool steel for consistent heat-treat response
• Thickness tolerance of plus or minus 0.001 inches for precision blank sizing
• Width tolerance of plus 0.005 inches, minus 0.000 inches
• Length tolerance of plus 0.25 inches
• Squareness held to 0.003 inches on edges and 0.004 inches per inch of thickness on ends
• Ready-to-machine annealed condition suitable for milling, drilling, and grinding

Compatibility

Designed as a general-purpose O1 tool steel flat stock blank suitable for toolroom and machining applications requiring AISI Type O1 oil-hardening material in flat bar form.

Installation Notes

Cutting, grinding, and heat treatment of tool steel should be performed by qualified machinists or toolmakers familiar with O1 hardening procedures. Always use appropriate personal protective equipment when cutting or grinding tool steel. Oil quenching should follow established heat-treatment practices for AISI O1; improper quench rates can cause warping or cracking. Allow parts to fully reach room temperature before final grinding to size.