{"product_id":"1-2-13-x-3-grade-8-carriage-bolts-4-pack-heavy-duty-coarse-thread-bolts-with-flat-washers-nylon-lock-nuts-round-head-square-neck-sae-j429-anti-vibration-3-0-bolts-washers-nuts-4","title":"1\/2\"-13 x 3 Grade 8 Carriage Bolts (4-Pack) – Heavy-Duty Coarse Thread Bolts with Flat Washers \u0026 Nylon Lock Nuts –Round Head Square Neck SAE J429 Anti-Vibration 3.0\" Bolts, Washers, Nuts 4","description":"\u003ch3\u003e1\/2\"-13 x 3 Grade 8 Carriage Bolts (4-Pack) – Heavy-Duty Coarse Thread Bolts with Flat Washers \u0026amp; Nylon Lock Nuts –Round Head Square Neck SAE J429 Anti-Vibration 3.0\"\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThese 1\/2\"-13 x 3\" (3.0\") long Grade 8 (G8) Carriage Bolts are engineered for\napplications where strength, reliability, and vibration resistance matter\nmost. Each pack includes 4 Grade 8 carriage bolts, 4 hardened flat washers, 4\nGrade 8 nylon lock nuts. Designed for use in automotive repairs, trailer\nbuilds, agricultural equipment, shop machinery, and structural assemblies,\nthis product eliminates the need to source parts separately—saving time while\nensuring proper fit and performance. Whether you’re a professional mechanic,\nfabricator, or serious DIYer, this fastener kit delivers the confidence of\nindustrial-grade hardware in a convenient, ready-to-use package.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n  \u003cul class=\"a\"\u003e\n         \u003cli\u003eComplete 4-packs: Includes 4 Grade 8 carriage bolts, 4 hardened flat washers, 4 Grade 8 nylon lock nuts everything you need for strong, vibration-resistant fastening in one convenient pack. Bolts 1\/2\" diameter x 3\" long. Nuts and washers fit 1\/2\" bolts.\u003c\/li\u003e\n         \u003cli\u003eGrade 8 Strength for Demanding Jobs: High-tensile SAE J429 Grade 8 bolts and nuts deliver superior load capacity and shear strength, making this kit ideal for automotive, trailer, machinery, and structural applications. All washers are hardened, which is compatible with a Grade 8 fastening system. Threads are made to the requirements of ASME B1.1. ASME B18.5 Dimensional Requirements. SAE J429 Material and Strength Level. ASTM F788 Surface Discontinuities. ASME B18.18 Inspection and Quality Assurance.\u003c\/li\u003e\n         \u003cli\u003eUtimate Anti-Vibration Nylon Locking System: washers help prevent loosening under torque, shock, and movement  perfect for equipment that sees constant vibration or cyclic loads.\u003c\/li\u003e\n         \u003cli\u003ePrecision-Matched Components: All fasteners are 1\/2\"-13 UNC for reliable fit and consistent clamping force across every assembly  no mismatched hardware, no guesswork.\u003c\/li\u003e\n         \u003cli\u003eBuilt for Pros \u0026amp; Serious DIYers: Whether youre repairing equipment, building fixtures, or assembling heavy components, this kit delivers industrial-grade reliability in a compact, easy-to-store format.\u003c\/li\u003e\n  \u003c\/ul\u003e","brand":"Quantum Forge","offers":[{"title":"4 \/ Bolts, Washers, Nuts","offer_id":58887836827808,"sku":"B0GRKJ6BLR","price":260.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0418\/7134\/3776\/files\/B0GRKJ6BLR.jpg?v=1788963352","url":"https:\/\/dingoship.com.au\/products\/1-2-13-x-3-grade-8-carriage-bolts-4-pack-heavy-duty-coarse-thread-bolts-with-flat-washers-nylon-lock-nuts-round-head-square-neck-sae-j429-anti-vibration-3-0-bolts-washers-nuts-4","provider":"DingoShip AU","version":"1.0","type":"link"}