{"product_id":"4000170-lag-screw","title":"K2 Systems 4000170 Lag Screw 5\/16 x 3\" SS, W\/ EPDM Washer- Pack of 24","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/1924\/2053\/files\/logo_k2systems-ezgif.com-resize.webp?v=1770631596\" alt=\"K2 Systems\"\u003e\u003c\/p\u003e\n\u003cul class=\"accordion\"\u003e\n\u003cli class=\"accordion-item is-active\"\u003e\n\u003ch3 class=\"accordion-thumb\"\u003eDescription\u003c\/h3\u003e\n\u003cdiv class=\"accordion-panel\"\u003e\n\u003ch2\u003eK2 Systems Lag Screw 5\/16 x 3\" SS, W\/ EPDM Washer\u003c\/h2\u003e\n\u003cp\u003eThe Lag Screw 5\/16\" × 3\" SS with EPDM Washer  is a stainless-steel roof-mounting fastener designed for securing solar mounting feet or brackets directly to structural rafters on pitched roofs, featuring a preassembled EPDM sealing washer that helps create a weather-resistant roof penetration while ensuring strong mechanical attachment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel\/Type: 4000170\u003c\/li\u003e\n\u003cli\u003ePack of 24 units\u003c\/li\u003e\n\u003cli\u003eFinish: Mill\u003c\/li\u003e\n\u003cli\u003eIncluded Hardware: (1) Stainless-steel 5\/16\" × 3\" lag screw+1 ×(1) Pre-assembled EPDM sealing washer\u003c\/li\u003e\n\u003cli\u003eDurable \u0026amp; Certified: The lag screw is manufactured from corrosion-resistant stainless steel and designed for long-term outdoor roof-mounting applications, providing durable structural fastening when installed into rafters or decking; as part of the K2 mounting system hardware, it supports assemblies tested to industry standards such as UL 2703–certified mounting systems, reflecting verified structural performance and long-term reliability.\u003c\/li\u003e\n\u003cli\u003eWater Protection \u0026amp; Fit: The screw is supplied with a pre-assembled EPDM sealing washer, designed to create a weather-tight seal at the mounting penetration point. EPDM rubber resists UV exposure, temperature changes, and moisture, helping prevent long-term cracking or leakage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"accordion-item\"\u003e\n\u003ch3 class=\"accordion-thumb\"\u003eDownloads\u003c\/h3\u003e\n\u003cdiv class=\"accordion-panel\"\u003e\n\u003cp style=\"font-size: 0.8em;\"\u003eDatasheet\u003c\/p\u003e\n\u003cp\u003eNo Datasheet file resource available. Email support@solux.energy for file request.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"font-size: 0.8em;\"\u003eQuick Installation Guide\u003c\/p\u003e\n\u003cp\u003eNo Quick Installation guide available. Email support@solux.energy for file request.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"font-size: 0.8em;\"\u003eWarranty\u003c\/p\u003e\n\u003cp\u003eNo Warranty file resource available. Email support@solux.energy for file request.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Solux, LLC","offers":[{"title":"Default Title","offer_id":44647045660741,"sku":"4000170","price":45.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/1924\/2053\/files\/K2_Systems_Lag_Screw_5_16_x_3_SS_W_EPDM_Washer.webp?v=1771870507","url":"https:\/\/solux.energy\/products\/4000170-lag-screw","provider":"Solux, LLC","version":"1.0","type":"link"}