{"product_id":"value-collection-01108216-drill-blank-size-21-hss","title":"Value Collection 01108216 Drill Blank Size 21 Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION 01108216 is a wire gauge size 21 drill blank made from high speed steel with a bright uncoated finish. Drill blanks are precision-ground cylindrical rods used as raw stock for custom tooling, reamer blanks, punch pins, and specialty cutting tools. This blank measures 0.1590 inches in diameter and 3.25 inches in overall length. The bright uncoated finish indicates no additional surface treatment, making it suitable for applications where the base HSS material properties are sufficient. Machinists and tool-and-die makers rely on drill blanks like this as starting material when standard off-the-shelf tooling does not meet a specific application requirement.\u003c\/p\u003e\n\u003cp\u003eThis drill blank is intended for use in machine shops, tool rooms, and manufacturing environments where custom cutting tools or precision pins are fabricated in-house. It is commonly used to produce custom reamers, ejector pins, guide pins, and punch tooling. The wire gauge sizing corresponds to a 0.1590-inch diameter, which falls in a range commonly needed for close-tolerance holes in metalworking and die-making operations. This item is sold individually but carries a minimum order quantity of 10 units per order.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eWire gauge size 21 corresponds to a precise 0.1590-inch diameter for consistent fitment in close-tolerance applications\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction provides hardness and wear resistance suitable for custom tooling fabrication\u003c\/li\u003e\n  \u003cli\u003eBright uncoated finish — no additional coating to account for when grinding or sharpening to final geometry\u003c\/li\u003e\n  \u003cli\u003e3.25-inch overall length provides sufficient stock for most common blank-to-tool conversions\u003c\/li\u003e\n  \u003cli\u003eMinimum order quantity of 10 units supports stocking in tool room environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard wire gauge size 21 drill blank suitable for use in tool-and-die, machining, and general metalworking applications where a 0.1590-inch diameter HSS blank is required.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eDrill blanks are raw stock and require machining or grinding to final tool geometry before use as a cutting tool. Handle with care as HSS blanks can be brittle under lateral impact loads. Wear appropriate PPE when grinding or cutting blank stock. Final tooling produced from this blank should be inspected for dimensional accuracy before use in production applications.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Blank Size (Wire Gauge)\u003c\/strong\u003e: 21\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Blank Size (Decimal Inch)\u003c\/strong\u003e: 0.1590 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length (OAL)\u003c\/strong\u003e: 3.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlank Material\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23242100\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 01108216\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51706310918450,"sku":"01108216","price":55.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/adca30f6d8e0395d0364ccc2b83b0acd.jpg?v=1788433740","url":"https:\/\/voomisupply.com\/products\/value-collection-01108216-drill-blank-size-21-hss","provider":"Voomi Supply","version":"1.0","type":"link"}