Oil Hard Flat Stock, O1, 4In Wx18In L MPN:O11448
Oil Hard Flat Stock, O1, 4In Wx18In L
This O1 Oil Hard Flat Stock is a high-performance tool steel ideal for precision applications requiring hardness and wear resistance. Its precision ground finish ensures smooth cutting and machining, while its oil-hardened heat treatment provides exceptional strength and durability. Suitable for use in various industries, including aerospace, automotive, and medical device manufacturing, this stock is perfect for creating custom tools, dies, and molds. Its high tensile strength and yield point make it an excellent choice for applications requiring high stress and wear resistance, such as stamping, forming, and cutting tools.
Top product features:
- Oil-hardened for improved wear resistance and hardness
- Precision ground for a smooth finish and precise dimensions
- Heat treatable for customizable hardness levels
Top product applications:
- Tool making
- Die making
- Machine components
Tool Steel Rectangular Bar, Material Tool Steel, Material Grade O1, Thickness 0.25 in, Thickness Tolerance +/-0.001 in, Overall Length 18 in, Overall Width 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: 18.50
- Package Width: 4.50
- Package Height: 0.30
- Package Weight: 5.20
- California Prop 65 Warning: WARNING: Cancer - www.P65Warnings.ca.gov
Product info last updated on February 12, 2026 11:13pm UTC
Category: Stainless Steel