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{"id":9575060472045,"title":"1\/2\"-13 x 1-1\/2\" Grade 8 Carriage Bolts (4-Pack) – Heavy-Duty Coarse Thread Bolts with Flat Washers \u0026 Nylon Lock Nuts –Round Head Square Neck SAE J429\/J995 Anti-Vibration 1.5\" Nylon Lock Nut Set","handle":"1-2-13-x-1-1-2-grade-8-carriage-bolts-4-pack-heavy-duty-coarse-thread-bolts-with-flat-washers-nylon-lock-nuts-round-head-square-neck-sae-j429-j995-anti-vibration-1-5-nylon-lock-nut-set","description":"\u003ch3\u003e1\/2\"-13 x 1-1\/2\" Grade 8 Carriage Bolts (4-Pack) – Heavy-Duty Coarse Thread Bolts with Flat Washers \u0026amp; Nylon Lock Nuts –Round Head Square Neck SAE J429\/J995 Anti-Vibration 1.5\"\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThese 1\/2\"-13 x 1-1\/2\" (1.5\") long Grade 8 (G8) Carriage Bolts are engineered\nfor applications 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. Nylon rated for up to 250 degrees F. Designed for use\nin automotive repairs, trailer builds, agricultural equipment, shop machinery,\nand structural 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 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 1-1\/2\" long. Nuts and washers fit 1\/2\" bolts. Nylon rated for up to 250 degrees F.\u003c\/li\u003e\n \u003cli\u003eGrade 8 Strength for Demanding Jobs: High-tensile SAE J429 Grade 8 bolts and J995 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\u003eUltimate Anti-Vibration Nylon Locking System: washers help prevent loosening under torque, shock, and movement perfect for equipment that sees constant vibration or cyclic loads. Nut Specs: Threads are made to the requirements of ASME B1.1. ASME B18.16.6 Dimensional Requirements. SAE J995 Material and Strength Level. ASTM F812 Surface Discontinuities. IFI 100\/108 Material and Physical Properties. ASME B18.18 Inspection and Quality Assurance. Hardness HRC 24\/32. 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Each pack includes 4 Grade 8 carriage bolts, 4 hardened flat washers, 4\nGrade 8 nylon lock nuts. Nylon rated for up to 250 degrees F. Designed for use\nin automotive repairs, trailer builds, agricultural equipment, shop machinery,\nand structural 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 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 1-1\/2\" long. Nuts and washers fit 1\/2\" bolts. Nylon rated for up to 250 degrees F.\u003c\/li\u003e\n \u003cli\u003eGrade 8 Strength for Demanding Jobs: High-tensile SAE J429 Grade 8 bolts and J995 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\u003eUltimate Anti-Vibration Nylon Locking System: washers help prevent loosening under torque, shock, and movement perfect for equipment that sees constant vibration or cyclic loads. Nut Specs: Threads are made to the requirements of ASME B1.1. ASME B18.16.6 Dimensional Requirements. SAE J995 Material and Strength Level. ASTM F812 Surface Discontinuities. IFI 100\/108 Material and Physical Properties. ASME B18.18 Inspection and Quality Assurance. Hardness HRC 24\/32. Proof Load Strength 150,000 psi min.\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"}

1/2"-13 x 1-1/2" Grade 8 Carriage Bolts (4-Pack) – Heavy-Duty Coarse Thread Bolts with Flat Washers & Nylon Lock Nuts –Round Head Square Neck SAE J429/J995 Anti-Vibration 1.5" Nylon Lock Nut Set

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1/2"-13 x 1-1/2" Grade 8 Carriage Bolts (4-Pack) – Heavy-Duty Coarse Thread Bolts with Flat Washers & Nylon Lock Nuts –Round Head Square Neck SAE J429/J995 Anti-Vibration 1.5"

These 1/2"-13 x 1-1/2" (1.5") long Grade 8 (G8) Carriage Bolts are engineered for applications where strength, reliability, and vibration resistance matter most. Each pack includes 4 Grade 8 carriage bolts, 4 hardened flat washers, 4 Grade 8 nylon lock nuts. Nylon rated for up to 250 degrees F. Designed for use in automotive repairs, trailer builds, agricultural equipment, shop machinery, and structural assemblies, this product eliminates the need to source parts separately—saving time while ensuring proper fit and performance. Whether you’re a professional mechanic, fabricator, or serious DIYer, this fastener kit delivers the confidence of industrial-grade hardware in a convenient, ready-to-use package.

Product Features

  • Complete 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 1-1/2" long. Nuts and washers fit 1/2" bolts. Nylon rated for up to 250 degrees F.
  • Grade 8 Strength for Demanding Jobs: High-tensile SAE J429 Grade 8 bolts and J995 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.
  • Ultimate Anti-Vibration Nylon Locking System: washers help prevent loosening under torque, shock, and movement perfect for equipment that sees constant vibration or cyclic loads. Nut Specs: Threads are made to the requirements of ASME B1.1. ASME B18.16.6 Dimensional Requirements. SAE J995 Material and Strength Level. ASTM F812 Surface Discontinuities. IFI 100/108 Material and Physical Properties. ASME B18.18 Inspection and Quality Assurance. Hardness HRC 24/32. Proof Load Strength 150,000 psi min.
  • Precision-Matched Components: All fasteners are 1/2"-13 UNC for reliable fit and consistent clamping force across every assembly no mismatched hardware, no guesswork.
  • Built for Pros & 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.