{"product_id":"national-marker-n150771-zinc-chain-bolt-with-strike","title":"National Marker N150771 Zinc Chain Bolt with Strike","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL MARKER N150771 is a zinc chain bolt assembly designed for door security applications in residential and light commercial settings. The unit features a steel case and strike with a die-cast zinc bolt body and a malleable iron reversible bolt measuring 5\/8 inches square. The bolt throw extends 3 inches and ships complete with mounting screws, a bolt rim, and both mortise and rim strike plates. Installation requires only basic hand tools, making this a straightforward addition to a door prep or hardware replacement job.\u003c\/p\u003e\n\u003cp\u003eThis chain bolt is suited for interior door security applications where a secondary locking mechanism is needed. The reversible bolt design accommodates both left-hand and right-hand door configurations without additional hardware. The included strike hardware supports both rim-mount and mortise-mount installation scenarios, giving the installer flexibility depending on the door frame and jamb construction on site.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDie-cast zinc bolt body with steel case and strike for corrosion-resistant construction\u003c\/li\u003e\n  \u003cli\u003eMalleable iron 5\/8-inch square reversible bolt accommodates left- and right-hand doors\u003c\/li\u003e\n  \u003cli\u003e3-inch bolt throw for positive door retention\u003c\/li\u003e\n  \u003cli\u003eIncludes mounting screws, bolt rim, and both mortise and rim strike plates\u003c\/li\u003e\n  \u003cli\u003eVisual pack packaging for retail or supply counter display\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or new-installation chain bolt for standard residential and light commercial interior doors requiring a secondary surface-mounted locking mechanism.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a qualified carpenter, locksmith, or general contractor using standard hand tools. Power down any electric strike or access control system before beginning work if integrating with existing hardware. Follow local building codes for door hardware placement and fastener requirements. Ensure the door and frame are properly aligned before final strike positioning to avoid bolt binding.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBolt Material\u003c\/strong\u003e: Die-cast zinc with malleable iron bolt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase and Strike Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBolt Size\u003c\/strong\u003e: 5\/8 inches square, reversible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBolt Throw\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Hardware\u003c\/strong\u003e: Mounting screws, bolt rim, mortise strike, rim strike\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.984 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 00038613150775\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: NATIONAL MARKER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N150771\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL MARKER","offers":[{"title":"Default Title","offer_id":51346174411058,"sku":"N150771","price":30.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310550170.jpg?v=1782072917","url":"https:\/\/voomisupply.com\/products\/national-marker-n150771-zinc-chain-bolt-with-strike","provider":"Voomi Supply","version":"1.0","type":"link"}