{"product_id":"dayton-lamina-kjb-31-150-solid-mold-die-blank-punch","title":"Dayton Lamina Kjb 31 150 Solid Mold Die Blank Punch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe DAYTON LAMINA KJB 31 150 is a solid mold die blank punch from the Jektole (KJB) Series, designed for precision die and mold tooling applications. It features a 7\/16 inch head diameter and a 5\/16 inch shank diameter, with an overall length of 1.5 inches and a 1\/8 inch head height. Constructed from A2 grade tool steel, this blank punch delivers consistent hardness and wear resistance under high-cycle stamping and forming conditions. It is sized and configured for machinists and toolmakers who need a reliable starting blank for custom punch profiles.\u003c\/p\u003e\n\u003cp\u003eThis blank punch is suited for use in progressive die sets, mold tooling, and stamping fixtures found in precision metal fabrication and industrial tooling environments. The Jektole series is a recognized standard in the tooling industry, making the KJB 31 150 a practical replacement or spare for existing KJB-series installations. It is typically installed and machined by tool and die makers or experienced machinists working in production tooling shops. The minimum machinable length of 0.56 inches and a pin extension length of 0.0625 inches support standard profiling and finish grinding operations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eA2 grade tool steel construction for high hardness and wear resistance in demanding punch applications\u003c\/li\u003e\n  \u003cli\u003e7\/16 inch head diameter with 1\/8 inch head height for secure seating in standard die sets\u003c\/li\u003e\n  \u003cli\u003e5\/16 inch shank diameter compatible with standard KJB-series punch retainers\u003c\/li\u003e\n  \u003cli\u003e1.5 inch overall length provides adequate stock for custom machining and profiling\u003c\/li\u003e\n  \u003cli\u003eMinimum machinable length of 0.56 inches supports standard tool room grinding operations\u003c\/li\u003e\n  \u003cli\u003ePin extension length of 0.0625 inches for precise positive location during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and direct-fit blank punch for Jektole (KJB) Series die sets and punch retainer systems in standard progressive and solid mold tooling configurations.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and machining of this blank punch should be performed by a qualified tool and die maker or machinist. Before removing or replacing any punch in a die set, ensure the press is fully de-energized, locked out, and blocked per applicable safety procedures. Final profiling and grinding should be completed prior to press installation. Verify punch-to-retainer fit and stripping clearances before returning the die set to production.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: 7\/16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 5\/16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Height\u003c\/strong\u003e: 1\/8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Machinable Length\u003c\/strong\u003e: 0.56 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin Extension Length\u003c\/strong\u003e: 0.0625 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: A2 Grade Tool Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Jektole (KJB)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1 pound\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: DAYTON LAMINA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: KJB 31 150\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DAYTON LAMINA","offers":[{"title":"Default Title","offer_id":51958429155634,"sku":"KJB 31 150","price":73.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/f96b73df622044e1b01d4a4ef446cd5f.jpg?v=1789945067","url":"https:\/\/voomisupply.com\/products\/dayton-lamina-kjb-31-150-solid-mold-die-blank-punch","provider":"Voomi Supply","version":"1.0","type":"link"}