{"product_id":"6-lobe-truss-nut-w-1-25-carriage-bolt-square-shoulder-5-16-18-kit","title":"6 Lobe Truss Nut w\/1.25\" Carriage Bolt Square Shoulder 5\/16-18 Kit","description":"\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"\"\u003eThe carriage bolt is a round head bolt with a square shoulder under the head and a unified thread pitch, made from low or medium carbon steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"\"\u003eIt is designed to keep the bolt from turning when a nut is being tightened, and the short neck is used with sheet metal where a standard size neck would create an obstruction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"\"\u003eThe material is AISI 1006-1050 or equivalent steel, with a hardness of Rockwell B70-B100, a proof load of 33,000 psi, a tensile strength of 60,000 psi min, a yield strength of 36,000 psi min, an elongation of 18% min, and a reduction of area of 35% min\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"\"\u003eThe minimum length of thread shall be equal to twice the basic bolt diameter plus .025\" for bolts \u0026lt; 6\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"\"\u003eThe top of the carriage bolt has a square neck that resists turning once the bolt is fastened, and the flat end means that a washer and nut are used\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"\"\u003eIt is important to use washers with carriage bolts to prevent damage when using the nut to pull the bolt through the material\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Johnson's Surplus","offers":[{"title":"Default Title","offer_id":45441933967469,"sku":"1.25CB","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/2294\/files\/4305897706.jpg?v=1783552488","url":"https:\/\/trailerrvparts1.myshopify.com\/products\/6-lobe-truss-nut-w-1-25-carriage-bolt-square-shoulder-5-16-18-kit","provider":"Johnson's Surplus","version":"1.0","type":"link"}