Price range: $44.32 through $72.15
O-1 Flat Bar Tool Steel Oversize Oil Hardened is a precision ground tool steel designed for machining, tooling, and fabrication applications requiring excellent wear resistance, high hardness capability, and strong dimensional stability. The 1/4″ x 3/4″ (.250″ x .750″) flat bar is supplied in an oversize condition to allow for finish grinding or machining to exact final dimensions after heat treatment. O-1 is an oil-hardening tool steel known for its good toughness, excellent machinability in the annealed state, and high hardness potential, making it ideal for custom tooling and precision components. Sold in 18″ or 36″ lengths to support a variety of shop and production requirements.
Applications:
O-1 Flat Bar Tool Steel is commonly used in precision tooling and industrial applications, including:
• Cutting tools, shear blades, and machine knives
• Dies, punches, and stamping tools
• Jigs, fixtures, and alignment components
• Wear strips, guides, and machine parts
• Bushings, spacers, and custom machined components
• General tool room fabrication, repair, and maintenance work
Advantages:
• Oil hardening steel: Reduces distortion during heat treatment
• Oversize precision stock: Allows final machining to tight tolerances
• High wear resistance: Suitable for demanding tooling and contact applications
• Good machinability: Easily machined in the annealed condition
• High hardness capability: Excellent edge retention and durability after heat treat
• Versatile material: Ideal for custom tooling and industrial fabrication
• Length options: Available in 18″ or 36″ lengths for flexibility and reduced waste
Summary:
The 1/4″ x 3/4″ (.250″ x .750″) O-1 Flat Bar Tool Steel Oversize Oil Hardened stock is a durable, high-performance tool steel designed for precision machining, tooling, and wear-resistant applications. Available in 18″ or 36″ lengths, its combination of machinability, hardness potential, and dimensional stability makes it an excellent choice for dies, fixtures, cutting tools, and custom precision components.
* Prices are subject to change without notice due to fluctuations in the metals market. | All “Value Length” and “Value Pack” item measurements are subject to standard mill tolerances. | Products may be manufactured several thousandths of an inch over or under the stated dimensions and still be within acceptable mill tolerances. All bar, tube, structural, pipe, sheet, plate, and similar products sold on our website are custom cut to the lengths and sizes selected by the customer at the time of purchase. These are not stocked as pre-cut items. Because each order is cut specifically to customer specifications, all cut materials are considered custom products and are not eligible for cancellation, return, or exchange once production has begun. Our standard cutting tolerances are:
