Tool Steel Rectangle Bar, 18" L, 4 1/2" W MPN:12148_18_0
Tool Steel Rectangle Bar, 18" L, 4 1/2" W
This Tool Steel Rectangle Bar is precision-ground from high-carbon O1 tool steel, ideal for applications requiring high hardness and wear resistance. Its oil-hardened finish provides a durable surface for tools and dies, while its high yield and tensile strengths ensure reliability under heavy loads. Suitable for use in machining, stamping, and other metalworking processes, this bar is also heat treatable, allowing for customization to specific hardness levels. Its compact size and precision finish make it perfect for small-scale fabrication, prototyping, and repair work, and its material certificate ensures quality and authenticity.
Top product features:
- Precision Ground Surface
- Oil-Hardened Heat Treatment
- Yield Strength of 58,000 psi and Tensile Strength of 105,000 psi
Top product applications:
- Machine Shop Projects
- Tool and Die Making
- High-Pressure Die Casting
Tool Steel Rectangular Bar, Material Tool Steel, Material Grade O1, Thickness 0.375 in, Thickness Tolerance +/-0.001 in, Overall Length 18 in, Overall Width 4 1/2 in, Heat Treatable Heat Treatable, Heat Treatment Oil-Hardened, Mechanical Finish Precision Ground, Yield Strength 58,000 psi, Tensile Strength 105,000 psi, Brinell Hardness 177 BHN, Rockwell Hardness 88 HRB, Standards ASTM A681, SAE J437, Includes Material Certificate Material Certificate with Lot Number
Additional Information
- Country of Origin: ZZ
- 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: 18.50
- Package Width: 5.00
- Package Height: 0.88
- Package Weight: 9.11
Product info last updated on March 4, 2026 10:34pm UTC
Category: Stainless Steel