{"product_id":"o1-drill-rod-5mm","title":"O1 Tool Steel Drill Rod 5mm (3ft bar)","description":"\u003cp\u003eO1 Tool Steel Drill Rod — 5mm diameter, precision ground, sold in standard 3-foot lengths.\u003c\/p\u003e\n\u003cp\u003eO1 is an oil-hardening tool steel prized for its excellent dimensional stability during heat treatment. With a carbon content of 0.95–1.1%, it can achieve hardness up to 65 HRC after proper heat treating, making it ideal for precision tooling applications.\u003c\/p\u003e\n\u003ch4\u003eCommon Applications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision punches and dies\u003c\/li\u003e\n\u003cli\u003eGauges and measuring tools\u003c\/li\u003e\n\u003cli\u003eDrill bushings and dowel pins\u003c\/li\u003e\n\u003cli\u003eCustom knife making\u003c\/li\u003e\n\u003cli\u003eJigs and fixtures\u003c\/li\u003e\n\u003cli\u003eShear blades and cutting tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eKey Properties\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e O1 (Oil-Hardening)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness (annealed):\u003c\/strong\u003e ~217 HB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness (heat treated):\u003c\/strong\u003e 60–65 HRC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface finish:\u003c\/strong\u003e Precision ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard length:\u003c\/strong\u003e 3 ft (36\")\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Metals 'R' Us","offers":[{"title":"3 FT","offer_id":42853351686192,"sku":"2881","price":8.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/9847\/6080\/files\/Steel_O1_Drill_Rod_5efdb7d7-a2f1-4b57-9636-c56aec4a3b22.png?v=1773882646","url":"https:\/\/metalsrus.ca\/products\/o1-drill-rod-5mm","provider":"Metals 'R' Us","version":"1.0","type":"link"}