Oil Hard Flat Stock, O1, 5/16In Wx18In L MPN:O15165168
Oil Hard Flat Stock, O1, 5/16In Wx18In L
This Oil Hard Flat Stock from GoVets Select is a precision-ground tool steel square bar ideal for applications requiring high wear resistance and dimensional stability. Suitable for use in toolmaking, die-making, and other precision fabrication processes, the O1 material grade offers a unique combination of strength, toughness, and hardness. With its precision ground finish and oil-hardened heat treatment, this stock provides a reliable and durable solution for machining and shaping complex parts. Its versatility makes it a valuable resource for machinists, toolmakers, and engineers working with high-strength, low-alloy steel.
Top product features:
- Oil-Hardened for increased wear resistance
- Precision Ground surface finish for improved machining and tooling
- Heat Treatable for customization of hardness and performance
Top product applications:
- Machining small parts
- Cutting dies and punches
- Making knives and other hand tools
Tool Steel Square Bar, Material Tool Steel, Material Grade O1, Thickness 0.31 in, Thickness Tolerance +/-0.001 in, Overall Length 18 in, Overall Width 5/16 in, Fabrication Hot Rolled, Heat Treatable Heat Treatable, Heat Treatment Oil-Hardened, Mechanical Finish Precision Ground, Yield Strength 55,000 psi, Tensile Strength 95,000 psi, Brinell Hardness 177 BHN, Rockwell Hardness 18 HRC, Standards AISI O-1, ASTM A681-08, FEDERAL QQT 570 REV C, SAE J437, UNS T31501
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 5 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 18.60
- Package Width: 1.60
- Package Height: 0.50
- Package Weight: 0.53
- California Prop 65 Warning: WARNING: Cancer - www.P65Warnings.ca.gov
Product info last updated on February 16, 2026 3:55pm UTC
Category: Stainless Steel