{"product_id":"rockwood-555-x-18bfb-lever-extension-flush-bolt-with-bottom-fire-bolt","title":"Rockwood 555 x 18BFB Lever Extension Flush Bolt with Bottom Fire Bolt","description":"\u003cp\u003e\u003cspan\u003eThe 555 x 18BFB Lever Extension Flush Bolt with Bottom Fire Bolt is for use on select fire rated hollow metal swinging doors. This product fits ANSI A115 door and frame preparation, and when door is subjected to 230˚F the plug and black plastic cover will melt allowing the bolt to project, locking the leaves together. Its bottom fire bolt eliminates the need for floor prep and its oversized fire bolt strike hole allows for slight door misalignment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor Fire Rated Hollow Metal Swinging Doors measuring up to 4'w x 9'h rated up to and including 3 Hours\u003c\/li\u003e\n\u003cli\u003eFits ANSI A115 door and frame preparation\u003c\/li\u003e\n\u003cli\u003e3\/4\" bolt throw, 3\/4\" rod backset\u003c\/li\u003e\n\u003cli\u003e12\" rod length (center of face to bolt end - retracted)\u003c\/li\u003e\n\u003cli\u003e1-1\/2\" adjustable bolt head\u003c\/li\u003e\n\u003cli\u003eWhen door is subjected to 230˚F, plug and black plastic cover melt allowing bolt to project, locking leaves together\u003c\/li\u003e\n\u003cli\u003eOther size rods available are 18\", 24\", 36\", 48\"\u003c\/li\u003e\n\u003cli\u003eExtra long bolt head - 2-1\/2\" (or to your specification)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBase Material: Brass\u003c\/li\u003e\n\u003cli\u003eFastener: 8 ea. #8 x 3\/4\" FH combo screws\u003c\/li\u003e\n\u003cli\u003eWeight: 0.9lbs.\u003c\/li\u003e\n\u003cli\u003eBottom Bolt Diameter: 13\/16\"\u003c\/li\u003e\n\u003cli\u003eBolt Throw: 3\/4\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"MuiTable-root MuiTable-stickyHeader css-1kig4k9\" aria-label=\"table\"\u003e\n\u003cthead class=\"MuiTableHead-root css-1wbz3t9\"\u003e\n\u003ctr class=\"MuiTableRow-root MuiTableRow-head css-i64y5a\"\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeMedium o-AEHProductGridObjectsTable__headItem css-u4c4py\" scope=\"col\"\u003ePart Number\u003c\/th\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeMedium o-AEHProductGridObjectsTable__headItem css-u4c4py\" scope=\"col\"\u003eFaceplate Sizing\u003c\/th\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeMedium o-AEHProductGridObjectsTable__headItem css-u4c4py\" scope=\"col\"\u003eGuide Sizing\u003c\/th\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeMedium o-AEHProductGridObjectsTable__headItem css-u4c4py\" scope=\"col\"\u003eStrike Sizing\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"MuiTableBody-root css-1xnox0e\"\u003e\n\u003ctr class=\"MuiTableRow-root o-AEHProductGridObjectsTable__row u-quickSearch--is-searchable css-157z9ym\"\u003e\n\u003ctd class=\"MuiTableCell-root MuiTableCell-body MuiTableCell-sizeMedium u-table__rowItem css-7ybbpc\"\u003e\n\u003cdiv class=\"a-markdown__content\"\u003e\n\u003cp\u003e555 X 18BFB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root MuiTableCell-body MuiTableCell-sizeMedium u-table__rowItem css-7ybbpc\"\u003e\n\u003cdiv class=\"a-markdown__content\"\u003e\n\u003cp\u003e1\" w x 6 3\/4\" l\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root MuiTableCell-body MuiTableCell-sizeMedium u-table__rowItem css-7ybbpc\"\u003e\n\u003cdiv class=\"a-markdown__content\"\u003e\n\u003cp\u003e1\" w x 2\" l\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"MuiTableCell-root MuiTableCell-body MuiTableCell-sizeMedium u-table__rowItem css-7ybbpc\"\u003e\n\u003cdiv class=\"a-markdown__content\"\u003e\n\u003cp\u003e15\/16\" w x 2 1\/4\" h\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Rockwood","offers":[{"title":"US26D - Satin Chrome Plated","offer_id":41928995438677,"sku":"555 X 18BFB US26D","price":163.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1102\/8096\/files\/AADSS1206525.webp?v=1764696129","url":"https:\/\/uslocksupply.com\/products\/rockwood-555-x-18bfb-lever-extension-flush-bolt-with-bottom-fire-bolt","provider":"US Lock Supply","version":"1.0","type":"link"}