{"product_id":"monster-fastener-galvanized-grade-2-a307-carriage-bolts","title":"Monster Fastener Galvanized Grade 2 \/ A307 Carriage Bolts","description":"\u003cp\u003eA carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head. The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eDiameter: 5\/16\"\u003cbr\u003eLength: 3-1\/2\"\u003cbr\u003eMaterial: Steel\u003cbr\u003eFinish: Hot Dip Galvanized\u003cbr\u003eHead Style: Carriage\u003cbr\u003eThread Size: 18 (Coarse)\u003cbr\u003eThread Length: Full\u003cbr\u003eHardness: Grade 2 \/ A307\u003cbr\u003eType: Carriage Bolt\u003cbr\u003eSquare-Depth: 3\/16\"\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eDiameter: 5\/16\"\u003cbr\u003eLength: 6\"\u003cbr\u003eMaterial: Steel\u003cbr\u003eFinish: Hot Dip Galvanized\u003cbr\u003eHead Style: Carriage\u003cbr\u003eThread Size: 18 (Coarse)\u003cbr\u003eThread Length: Full\u003cbr\u003eHardness: Grade 2 \/ A307\u003cbr\u003eType: Carriage Bolt\u003cbr\u003eSquare-Depth: 3\/16\"\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eDiameter: 5\/16\"\u003cbr\u003eLength: 5\"\u003cbr\u003eMaterial: Steel\u003cbr\u003eFinish: Hot Dip Galvanized\u003cbr\u003eHead Style: Carriage\u003cbr\u003eThread Size: 18 (Coarse)\u003cbr\u003eThread Length: Full\u003cbr\u003eHardness: Grade 2 \/ A307\u003cbr\u003eType: Carriage Bolt\u003cbr\u003eSquare-Depth: 3\/16\"\u003c\/p\u003e","brand":"Midwest Fastener","offers":[{"title":"5\/16\"-18 x 3-1\/2\" (50 pcs)","offer_id":47608962187364,"sku":"MF05493","price":26.99,"currency_code":"USD","in_stock":true},{"title":"5\/16\"-18 x 6\" (50 pcs)","offer_id":47917621706852,"sku":"MF05498","price":38.99,"currency_code":"USD","in_stock":true},{"title":"5\/16\"-18 x 5\" (50 pcs)","offer_id":48090219610212,"sku":"MF05496","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/3677\/1172\/files\/product-media-465420.jpg?v=1774050625","url":"https:\/\/jwhardware.org\/products\/monster-fastener-galvanized-grade-2-a307-carriage-bolts","provider":"JW Hardware \u0026 Lumber","version":"1.0","type":"link"}