{"product_id":"drill-rod-tool-steels-66740-o1-tool-steel-flat-stock","title":"Drill Rod Tool Steels 66740 O1 Tool Steel Flat Stock","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe DRILL ROD TOOL STEELS 66740 is an O1 oil-hardening tool steel flat stock bar intended for toolmakers, machinists, and die makers who require a dimensionally consistent, machinable blank ready for heat treatment. Conforming to AISI Type O1 specifications, this flat stock measures 0.125 inches thick, 2.5 inches wide, and 18 inches long, with a weight of 1.61 pounds. O1 tool steel offers excellent machinability in the annealed state and responds well to oil-quench hardening, making it a standard choice for punches, dies, gauges, and general tooling applications where a tough, wear-resistant surface is required after hardening.\u003c\/p\u003e\u003cp\u003eThis flat stock is suited for job shops, tool-and-die operations, and maintenance departments working on precision tooling fabrication. The 18-inch length provides enough stock for multiple short blanks or a single longer workpiece. Typical applications include cutting tools, forming dies, jigs, fixtures, and wear plates. The material is supplied in the annealed condition, allowing straightforward milling, grinding, and drilling before oil-quench hardening and tempering to the desired hardness.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAISI Type O1 oil-hardening tool steel, supplied in annealed condition for ease of machining\u003c\/li\u003e\n\u003cli\u003eThickness of 0.125 inches with a tolerance of plus or minus 0.001 inches for close dimensional control\u003c\/li\u003e\n\u003cli\u003eWidth of 2.5 inches with a tolerance of plus 0.005 inches, minus 0.000 inches\u003c\/li\u003e\n\u003cli\u003eLength of 18 inches with a tolerance of plus 0.25 inches\u003c\/li\u003e\n\u003cli\u003eSquareness held to 0.003 inches on edges and 0.004 inches per inch of thickness on ends\u003c\/li\u003e\n\u003cli\u003eWeight of 1.61 pounds per piece, convenient for bench and manual handling\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 suitable for general tooling, die-making, and precision machining applications where an oil-quench hardenable material is specified.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eMachining and heat treatment of tool steel should be performed by qualified machinists or toolmakers following established shop practices. Always follow appropriate safety procedures when oil-quench hardening, including use of proper quench tanks, ventilation, and fire-safety measures. Grinding operations on hardened tool steel require appropriate wheel selection and coolant to prevent surface cracking. Consult material data sheets for recommended hardening and tempering temperatures specific to AISI O1 tool steel before processing.\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: 0.125 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 2.5 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; End 0.004 inches per inch of thickness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.61 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: 66740\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DRILL ROD \u0026 TOOL STEELS","offers":[{"title":"Default Title","offer_id":52022448947506,"sku":"66740","price":66.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0bd010a1cae711f9686084786dbdb869_b4cd5f7d-eca6-4e13-a3ac-151864d05c8e.jpg?v=1790013236","url":"https:\/\/voomisupply.com\/products\/drill-rod-tool-steels-66740-o1-tool-steel-flat-stock","provider":"Voomi Supply","version":"1.0","type":"link"}