{"id":15863349641376,"title":"3\/8\"-16 x 4 Grade 8 Bolts (10-Pack) – Heavy-Duty Hex Bolts Includes Flat Washers \u0026 Nylon Lock Nuts – High-Strength SAE Anti-Vibration 4.0\" Coarse Bolts for Automotive, Machinery \u0026 Construction 3\/8\" x 4\" Nylon Lock Nut 10","handle":"3-8-16-x-4-grade-8-bolts-10-pack-heavy-duty-hex-bolts-includes-flat-washers-nylon-lock-nuts-high-strength-sae-anti-vibration-4-0-coarse-bolts-for-automotive-machinery-construction-3-8-x-4-nylon-lock-nut-10","description":"\u003ch3\u003e3\/8\"-16 x 4 Grade 8 Bolts (10-Pack) – Heavy-Duty Hex Bolts Includes Flat Washers \u0026amp; Nylon Lock Nuts – High-Strength SAE Anti-Vibration 4.0\" Coarse Bolts for Automotive, Machinery \u0026amp; Construction\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThese 3\/8\"-16 x 4\" (4.0\") long Grade 8 (G8) Bolts are engineered for\napplications where strength, reliability, and vibration resistance matter\nmost. Each pack combines a high-strength Grade 8 (G8) hex bolt, a matching\nnylon locking hex nut, one flat washer for load distribution. Designed for use\nin automotive repairs, trailer builds, agricultural equipment, shop machinery,\nand structural assemblies, this kit 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 hex bolts, 10 hardened flat washers, and 10 nylon Grade 8 lock nuts everything you need for strong, vibration-resistant fastening in one convenient pack. Bolts 3\/8\" x 4.0\" 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 B18.2.1 Dimensional Requirements. SAE J429 Material and Strength Level. ASTM A564 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 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":"2026-09-12T13:31:25+10:00","created_at":"2026-09-10T11:14:46+10:00","vendor":"Quantum Forge","type":"Hex Bolts","tags":["heavy_industrial_Sep2026"],"price":26500,"price_min":26500,"price_max":26500,"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":58889285435552,"title":"10 \/ 3\/8\" x 4\" Nylon Lock Nut","option1":"10","option2":"3\/8\" x 4\" Nylon Lock Nut","option3":null,"sku":"B0GHG29F1V","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"3\/8\"-16 x 4 Grade 8 Bolts (10-Pack) – Heavy-Duty Hex Bolts Includes Flat Washers \u0026 Nylon Lock Nuts – High-Strength SAE Anti-Vibration 4.0\" Coarse Bolts for Automotive, Machinery \u0026 Construction 3\/8\" x 4\" Nylon Lock Nut 10 - 10 \/ 3\/8\" x 4\" Nylon Lock Nut","public_title":"10 \/ 3\/8\" x 4\" Nylon Lock Nut","options":["10","3\/8\" x 4\" Nylon Lock Nut"],"price":26500,"weight":709,"compare_at_price":null,"inventory_management":"shopify","barcode":"QFG35028-FBA","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/dingoship.com.au\/cdn\/shop\/files\/B0GHG29F1V.jpg?v=1789002889","\/\/dingoship.com.au\/cdn\/shop\/files\/41dP5iTkOsL.jpg?v=1789002889"],"featured_image":"\/\/dingoship.com.au\/cdn\/shop\/files\/B0GHG29F1V.jpg?v=1789002889","options":["Number of Items","Size"],"media":[{"alt":null,"id":70279092600992,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/dingoship.com.au\/cdn\/shop\/files\/B0GHG29F1V.jpg?v=1789002889"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/dingoship.com.au\/cdn\/shop\/files\/B0GHG29F1V.jpg?v=1789002889","width":500},{"alt":null,"id":70279092633760,"position":2,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/dingoship.com.au\/cdn\/shop\/files\/41dP5iTkOsL.jpg?v=1789002889"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/dingoship.com.au\/cdn\/shop\/files\/41dP5iTkOsL.jpg?v=1789002889","width":500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003e3\/8\"-16 x 4 Grade 8 Bolts (10-Pack) – Heavy-Duty Hex Bolts Includes Flat Washers \u0026amp; Nylon Lock Nuts – High-Strength SAE Anti-Vibration 4.0\" Coarse Bolts for Automotive, Machinery \u0026amp; Construction\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThese 3\/8\"-16 x 4\" (4.0\") long Grade 8 (G8) Bolts are engineered for\napplications where strength, reliability, and vibration resistance matter\nmost. Each pack combines a high-strength Grade 8 (G8) hex bolt, a matching\nnylon locking hex nut, one flat washer for load distribution. Designed for use\nin automotive repairs, trailer builds, agricultural equipment, shop machinery,\nand structural assemblies, this kit 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 hex bolts, 10 hardened flat washers, and 10 nylon Grade 8 lock nuts everything you need for strong, vibration-resistant fastening in one convenient pack. Bolts 3\/8\" x 4.0\" 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 B18.2.1 Dimensional Requirements. SAE J429 Material and Strength Level. ASTM A564 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 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"}