{"product_id":"4-spline-punch-pin-cold-heading","title":"4-spline Punch Pin","description":"\u003ch2\u003e4-Spline Punch Pin – Cold Heading Forming Tool\u003c\/h2\u003e\u003cp\u003eHengfaMold's 4-spline punch pins are precision-engineered for cold heading, nut forming, and non-standard fastener manufacturing. Designed to deliver consistent drive recess geometry across high-volume production runs.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-spline profile\u003c\/strong\u003e – accurate geometry for reliable drive recess forming\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom special shape forming\u003c\/strong\u003e – non-standard and OEM profiles available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-wear tool steel\u003c\/strong\u003e – surface-treated for extended service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTight dimensional tolerances\u003c\/strong\u003e – ensures repeatable quality run after run\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCompatible with standard cold heading machines\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eIdeal for producing 4-spline drive screws, bolts, and fasteners used in automotive, electronics, and industrial assembly.\u003c\/p\u003e\u003ch3\u003eCustom Tooling \u0026amp; OEM Orders\u003c\/h3\u003e\u003cp\u003eWe support drawing-based manufacturing and full technical consultation. Contact HengfaMold for custom dimensions, bulk pricing, or OEM partnerships.\u003c\/p\u003e","brand":"HengfaMold","offers":[{"title":"Default Title","offer_id":51056843784412,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/1763\/1964\/files\/0260605104424_1047_11.jpg?v=1780629122","url":"https:\/\/hengfamold.com\/products\/4-spline-punch-pin-cold-heading","provider":"HengfaMold","version":"1.0","type":"link"}