{"product_id":"dayton-lamina-hjb-75-275-m2-solid-mold-die-blank-punch","title":"Dayton Lamina Hjb 75 275 M2 Solid Mold Die Blank Punch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe DAYTON LAMINA HJB 75 275 M2 is a solid mold die blank punch designed for precision blanking and piercing operations in progressive die and mold tooling applications. Part of the Jektole (HJB) series, this punch features a ball lock retention system and is manufactured from M2 grade high speed steel with a hardness rating of 60-63 HRC. The 0.75-inch shank diameter and 2.75-inch overall length make it suitable for demanding production stamping environments. It is installed and serviced by tool and die makers or press room technicians maintaining progressive die assemblies.\u003c\/p\u003e\u003cp\u003eThis blank punch is used in stamping and progressive die operations, typically in metal fabrication shops, automotive component production, and precision parts manufacturing. The Jektole (HJB) series is engineered for use in standard ball lock punch retainer systems. The ball lock design allows for fast, secure punch changes without disassembly of the full die set, reducing press downtime during retooling cycles.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eM2 grade high speed steel construction provides high wear resistance and toughness under cyclic impact loading\u003c\/li\u003e\n\u003cli\u003eHardness of 60-63 HRC for extended tool life in production stamping\u003c\/li\u003e\n\u003cli\u003eBall lock shank for quick, secure seating in compatible retainer systems\u003c\/li\u003e\n\u003cli\u003eMinimum machinable length of 0.5 inches allows for regrinding and extended service life\u003c\/li\u003e\n\u003cli\u003ePin extension length of 0.0625 inches for positive ball lock engagement\u003c\/li\u003e\n\u003cli\u003ePart of the standardized Jektole (HJB) series for broad retainer compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with standard ball lock punch retainer systems compatible with the Jektole (HJB) series. Refer to die set documentation to confirm retainer bore and shank diameter requirements before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and punch changes should be performed by qualified tool and die makers or experienced press room personnel. Always de-energize and lock out the press before servicing the die set. Confirm proper ball lock engagement and punch seating before resuming production. Inspect the retainer bore for wear or damage prior to installing a new punch.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1.23 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length (OAL)\u003c\/strong\u003e: 2.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Machinable Length\u003c\/strong\u003e: 0.5 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\u003eHardness\u003c\/strong\u003e: 60-63 HRC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: M2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Jektole (HJB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetention Type\u003c\/strong\u003e: Ball Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.3125 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31162807\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: HJB 75 275 M2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DAYTON LAMINA","offers":[{"title":"Default Title","offer_id":52097747386674,"sku":"HJB 75 275 M2","price":108.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/022db6a99734ab31d2a4e8c43e036490_e768d7a4-24de-4352-a784-4e62f8f7ddc8.jpg?v=1790067177","url":"https:\/\/voomisupply.com\/products\/dayton-lamina-hjb-75-275-m2-solid-mold-die-blank-punch","provider":"Voomi Supply","version":"1.0","type":"link"}