Oil Hard Flat Stock, O1, 1/4In Wx18In L MPN:O114148
Oil Hard Flat Stock, O1, 1/4In Wx18In L
This O1 oil hard flat stock is a precision-ground tool steel square bar ideal for applications requiring high hardness and wear resistance. Its oil-hardened finish provides excellent dimensional stability and surface finish, making it suitable for high-precision machining and grinding operations. The material's high yield and tensile strength, combined with its low distortion properties, make it an excellent choice for tools and dies, jigs and fixtures, and other precision parts that require high accuracy and durability. Its compact size and precision ground finish also make it suitable for use in robotics, automation, and other precision machinery applications.
Top product features:
- Oil Hard Flat Stock is heat treatable
- Oil Hard Flat Stock is oil-hardened
- Oil Hard Flat Stock has a precision ground mechanical finish
Top product applications:
- Tool making
- Machining
- Die making
Tool Steel Square Bar, Material Tool Steel, Material Grade O1, Thickness 0.25 in, Thickness Tolerance +/-0.001 in, Overall Length 18 in, Overall Width 1/4 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: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 19.30
- Package Width: 1.20
- Package Height: 0.60
- Package Weight: 0.35
- California Prop 65 Warning: WARNING: Cancer - www.P65Warnings.ca.gov
Product info last updated on February 10, 2026 11:03am UTC
Category: Stainless Steel