{"product_id":"drill-rod-tool-steels-57756-o1-tool-steel-flat-stock","title":"Drill Rod Tool Steels 57756 O1 Tool Steel Flat Stock","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe DRILL ROD TOOL STEELS 57756 is an O1 oil-hardening tool steel flat stock bar intended for toolmakers, machinists, and die makers who need a precision-ground, annealed flat blank ready for layout, machining, and heat treatment. Measuring 5\/16 inches thick, 3 inches wide, and 18 inches long, this bar conforms to AISI Type O1 material specification. Thickness tolerance is held to plus or minus 0.001 inches, giving close dimensional control out of the box. At 4.83 pounds, it is a single-piece blank sized for fabricating punches, dies, gauges, jigs, and similar tooling components.\u003c\/p\u003e\u003cp\u003eO1 tool steel flat stock is suited for shop-floor tooling applications in both job shops and production environments. The oil-hardening characteristic of AISI O1 means the bar can be hardened with less distortion than water-hardening grades, making it a common choice for flat tooling, precision templates, and cutting blades. This bar ships in annealed condition, ready to machine before hardening. Metalworking professionals working in fabrication, mold-making, or tool-and-die trades are the primary users.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAISI Type O1 oil-hardening tool steel  -  reduced distortion during heat treatment compared to water-hardening grades\u003c\/li\u003e\n\u003cli\u003eThickness tolerance of plus or minus 0.001 inches for precise fit in tool and die applications\u003c\/li\u003e\n\u003cli\u003eWidth tolerance of plus 0.005 inches, minus 0.000 inches\u003c\/li\u003e\n\u003cli\u003eLength tolerance of plus 0.25 inches\u003c\/li\u003e\n\u003cli\u003eSquareness: edge 0.003 inches per inch of thickness, end 0.004 inches per inch of thickness\u003c\/li\u003e\n\u003cli\u003eShips annealed and ready to machine\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard AISI Type O1 oil-hardening tool steel flat stock blank suitable for general tool-and-die, gauge, punch, and fixture fabrication applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eMachining and heat treatment of O1 tool steel should be performed by a qualified machinist or toolmaker familiar with tool steel handling procedures. Always machine this bar in the annealed condition before hardening; attempting to machine fully hardened O1 stock significantly increases tool wear and risk of cracking. Follow the material supplier or ASM heat treatment guidelines for austenitizing temperature, quench medium, and tempering cycle  -  do not rely on this listing for specific heat treatment values. Use appropriate eye protection, secure workholding, and proper cutting fluids when machining.\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: 5\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 18 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: plus 0.005 inches, minus 0.000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Tolerance\u003c\/strong\u003e: plus 0.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare Tolerance\u003c\/strong\u003e: plus or minus 0.003 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness\u003c\/strong\u003e: Edge 0.003 inches per inch of thickness; End 0.004 inches per inch of thickness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 4.83 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: DRILL ROD TOOL STEELS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 57756\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DRILL ROD \u0026 TOOL STEELS","offers":[{"title":"Default Title","offer_id":51972200628530,"sku":"57756","price":127.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0bd010a1cae711f9686084786dbdb869_e4794ae4-cf78-46d3-b095-c05c0b904d13.jpg?v=1789964352","url":"https:\/\/voomisupply.com\/products\/drill-rod-tool-steels-57756-o1-tool-steel-flat-stock","provider":"Voomi Supply","version":"1.0","type":"link"}