{"product_id":"tungsten-carbide-insert-with-middle-sleeve-mirror-polish-hex-nut-forming-die","title":"Tungsten Carbide Insert with Middle Sleeve | Mirror Polish Hex Nut Forming Die","description":"\u003cp\u003ePrecision tungsten carbide hex nut forming die insert assembled with a high-strength intermediate middle sleeve, engineered for multi-station cold heading and nut forging machines.\u003c\/p\u003e\n\u003ch3\u003eDesign Advantages \u0026amp; Structure:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Stressed Middle Sleeve Assembly:\u003c\/strong\u003e The intermediate steel sleeve applies calculated compressive pre-stress to the tungsten carbide core, countering high radial expansion pressure during hex nut forging and preventing premature cracking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModular \u0026amp; Cost-Effective:\u003c\/strong\u003e Enables economical replacement of the worn carbide insert while reusing the outer die case, reducing overall tooling expenses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMirror-Polished Hex Cavity:\u003c\/strong\u003e Precision wire-EDM cut and mirror-polished carbide cavity ensure razor-sharp hex corners, strict nut tolerances, and smooth part ejection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specifications \u0026amp; Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium micro-grain tungsten carbide core offering exceptional hardness, wear resistance, and compressive strength.\u003c\/li\u003e\n  \u003cli\u003ePrecision-ground sleeve diameter for tight concentricity and repeatable press-fit mounting into cold heading die cases.\u003c\/li\u003e\n  \u003cli\u003e100% optical inspection and dimensional verification before dispatch.\u003c\/li\u003e\n  \u003cli\u003eCustomizable for standard and heavy hex nut specifications (DIN, ISO, ANSI\/ASME, JIS) across all multi-station cold formers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCustom Engineering:\u003c\/strong\u003e Hengfa manufactures custom cold forging dies, carbide inserts, and tooling sleeves tailored to customer drawings. Contact us with your specifications for a quotation.\u003c\/p\u003e","brand":"HengfaMold","offers":[{"title":"Default Title","offer_id":68229930746076,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/1763\/1964\/files\/tungsten-carbide-insert-with-middle-sleeve-mirror-polish-hex-nut-forming-die-9558811.jpg?v=1794417366","url":"https:\/\/hengfamold.com\/products\/tungsten-carbide-insert-with-middle-sleeve-mirror-polish-hex-nut-forming-die","provider":"HengfaMold","version":"1.0","type":"link"}