{"product_id":"starrett-54429-o1-tool-steel-flat-stock-7-16x1x36-in","title":"Starrett 54429 O1 Tool Steel Flat Stock 7\/16x1x36 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe STARRETT 54429 is an O1 oil-hardening tool steel flat stock bar used in toolmaking, die work, jig fabrication, and precision machining applications. Manufactured to AISI Type O1 specification, this flat stock measures 7\/16 inch thick, 1 inch wide, and 36 inches long and weighs 4.46 pounds. O1 tool steel is a widely used oil-hardening grade known for its dimensional stability during heat treatment and its ability to hold a sharp cutting edge. Tight tolerances are held throughout: thickness tolerance is plus or minus 0.001 inches, length tolerance is plus 0.015 inches, and width tolerance is 0.000 to minus 0.005 inches. Edge squareness is held to 0.003 inches per inch. This material is supplied in the annealed condition and is ready for machining before hardening.\u003c\/p\u003e\u003cp\u003eThis flat stock is used in tool and die shops, maintenance facilities, and precision machine shops. Typical applications include blanks for punches, dies, gauges, and cutting tools. It is suited for both short-run tooling and prototype work where O1 oil-hardening steel is the specified grade. Machinists and tool and die makers work with this stock prior to heat treatment to achieve final geometry before the hardening and tempering cycle.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAISI Type O1 oil-hardening tool steel construction\u003c\/li\u003e\n\u003cli\u003eTight thickness tolerance of plus or minus 0.001 inches for close-tolerance tooling work\u003c\/li\u003e\n\u003cli\u003eEdge squareness held to 0.003 inches per inch\u003c\/li\u003e\n\u003cli\u003eLength of 36 inches provides sufficient stock for multiple tool blanks per bar\u003c\/li\u003e\n\u003cli\u003eSupplied in annealed condition for machinability prior to heat treatment\u003c\/li\u003e\n\u003cli\u003eWidth tolerance of 0.000 to minus 0.005 inches supports consistent fit in precision fixtures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard AISI O1 oil-hardening tool steel flat bar suitable for general toolmaking, die making, and precision machining applications requiring this grade and size.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eCutting, grinding, and machining of tool steel flat stock should be performed with appropriate tooling for hardened or semi-hard steel grades. Heat treatment of O1 tool steel requires oil quenching and must be performed by qualified personnel following established metallurgical procedures. Always wear appropriate PPE when cutting or machining tool steel bar stock. Consult the material data sheet for recommended hardening temperatures and tempering ranges before beginning heat treatment.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Tool Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Specification\u003c\/strong\u003e: AISI Type O1 Oil Hardening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 7\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 36 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness Tolerance\u003c\/strong\u003e: plus or minus 0.001 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth Tolerance\u003c\/strong\u003e: 0.000 to minus 0.005 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Tolerance\u003c\/strong\u003e: plus 0.015 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge Squareness\u003c\/strong\u003e: 0.003 inches per inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 4.46 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31231200\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: STARRETT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 54429\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STARRETT","offers":[{"title":"Default Title","offer_id":51538249974066,"sku":"54429","price":261.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6555d28ffd7e02d6cc316d25961d7428.jpg?v=1785820824","url":"https:\/\/voomisupply.com\/products\/starrett-54429-o1-tool-steel-flat-stock-7-16x1x36-in","provider":"Voomi Supply","version":"1.0","type":"link"}