{"id":9680961667223,"title":"3\/8\"-16 x 1.5 Grade 8 Carriage Bolts (10-Pack) – Heavy-Duty Coarse Thread Bolts Includes Flat Washers Lock Washers \u0026 Nuts – Round Head Square Neck SAE 1.5\" Yellow Zinc 3\/8\" x 1.5\" Standard Nut 10","handle":"3-8-16-x-1-5-grade-8-carriage-bolts-10-pack-heavy-duty-coarse-thread-bolts-includes-flat-washers-lock-washers-nuts-round-head-square-neck-sae-1-5-yellow-zinc-3-8-x-1-5-standard-nut-10","description":"\u003ch3\u003e3\/8\"-16 x 1.5 Grade 8 Carriage Bolts (10-Pack) – Heavy-Duty Coarse Thread Bolts Includes Flat Washers Lock Washers \u0026amp; Nuts – Round Head Square Neck SAE 1.5\" Yellow Zinc\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThese 3\/8\"-16 x 1.5\" (1.5\") long Grade 8 (G8) Carriage Bolts are engineered\nfor applications where strength, reliability, and vibration resistance matter\nmost. Each pack includes 10 Grade 8 carriage bolts, 10 hardened flat washers,\n10 hardened split lock washers, 10 hex nuts. Designed for use in automotive\nrepairs, trailer builds, agricultural equipment, shop machinery, and\nstructural assemblies, this product eliminates the need to source parts\nseparately—saving time while ensuring proper fit and performance. Whether\nyou’re a professional mechanic, fabricator, or serious DIYer, this fastener\nkit delivers the confidence of industrial-grade hardware in a convenient,\nready-to-use package.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eComplete 10-packs: Includes 10 Grade 8 carriage bolts, 10 hardened flat washers, 10 hardened split lock washers, 10 hex nuts everything you need for strong, vibration-resistant fastening in one convenient pack. Bolts 3\/8\" x 1.5\" long. Nuts and washers fit 3\/8\" 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\u003eVibration-Resistant 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 3\/8\"-16 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","published_at":"2026-07-30T19:05:24+10:00","created_at":"2026-07-26T20:20:33+10:00","vendor":"Quantum Forge","type":"Carriage Bolts","tags":["home_improvement_Aug2026"],"price":16800,"price_min":16800,"price_max":16800,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48068169859223,"title":"10 \/ 3\/8\" x 1.5\" Standard Nut","option1":"10","option2":"3\/8\" x 1.5\" Standard Nut","option3":null,"sku":"B0GQFF7G63","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"3\/8\"-16 x 1.5 Grade 8 Carriage Bolts (10-Pack) – Heavy-Duty Coarse Thread Bolts Includes Flat Washers Lock Washers \u0026 Nuts – Round Head Square Neck SAE 1.5\" Yellow Zinc 3\/8\" x 1.5\" Standard Nut 10 - 10 \/ 3\/8\" x 1.5\" Standard Nut","public_title":"10 \/ 3\/8\" x 1.5\" Standard Nut","options":["10","3\/8\" x 1.5\" Standard Nut"],"price":16800,"weight":396,"compare_at_price":null,"inventory_management":"shopify","barcode":"QFG35121-FBA","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/newnestshop.com\/cdn\/shop\/files\/B0GQFF7G63.jpg?v=1785061235","\/\/newnestshop.com\/cdn\/shop\/files\/51h4u9eaUTL.jpg?v=1785061235","\/\/newnestshop.com\/cdn\/shop\/files\/51k2EETUSWL.jpg?v=1785061235"],"featured_image":"\/\/newnestshop.com\/cdn\/shop\/files\/B0GQFF7G63.jpg?v=1785061235","options":["Number of Items","Size"],"media":[{"alt":null,"id":42456334827671,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0GQFF7G63.jpg?v=1785061235"},"aspect_ratio":1.0,"height":1080,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0GQFF7G63.jpg?v=1785061235","width":1080},{"alt":null,"id":42456334860439,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/51h4u9eaUTL.jpg?v=1785061235"},"aspect_ratio":1.0,"height":1080,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/51h4u9eaUTL.jpg?v=1785061235","width":1080},{"alt":null,"id":42456334893207,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/51k2EETUSWL.jpg?v=1785061235"},"aspect_ratio":1.0,"height":1080,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/51k2EETUSWL.jpg?v=1785061235","width":1080}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003e3\/8\"-16 x 1.5 Grade 8 Carriage Bolts (10-Pack) – Heavy-Duty Coarse Thread Bolts Includes Flat Washers Lock Washers \u0026amp; Nuts – Round Head Square Neck SAE 1.5\" Yellow Zinc\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThese 3\/8\"-16 x 1.5\" (1.5\") long Grade 8 (G8) Carriage Bolts are engineered\nfor applications where strength, reliability, and vibration resistance matter\nmost. Each pack includes 10 Grade 8 carriage bolts, 10 hardened flat washers,\n10 hardened split lock washers, 10 hex nuts. Designed for use in automotive\nrepairs, trailer builds, agricultural equipment, shop machinery, and\nstructural assemblies, this product eliminates the need to source parts\nseparately—saving time while ensuring proper fit and performance. Whether\nyou’re a professional mechanic, fabricator, or serious DIYer, this fastener\nkit delivers the confidence of industrial-grade hardware in a convenient,\nready-to-use package.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eComplete 10-packs: Includes 10 Grade 8 carriage bolts, 10 hardened flat washers, 10 hardened split lock washers, 10 hex nuts everything you need for strong, vibration-resistant fastening in one convenient pack. Bolts 3\/8\" x 1.5\" long. Nuts and washers fit 3\/8\" 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\u003eVibration-Resistant 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 3\/8\"-16 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"}