1/2"-13 x 1-1/2" Grade 8 Bolts (50-Pack) – Heavy-Duty Hex Bolts – High-Strength SAE J429 Anti-Vibration 1.5" Coarse Thread Bolts

These 1/2"-13 x 1-1/2" (1.5") long Grade 8 (G8) Bolts are engineered for applications where strength, reliability, and vibration resistance matter most. Each pack contains 50 high-strength Grade 8 (G8) hex bolts. Designed for use in automotive repairs, trailer builds, agricultural equipment, shop machinery, and structural assemblies, this kit 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.

• Hex Bolt 50-pack: Includes 50 Grade 8 hex bolts. What you need for strong fastening in one convenient pack. Bolts 1/2" x 1.5" long.
• Grade 8 bolts and nuts deliver superior load capacity and shear strength. Bolts: 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.
• Built for High-Stress Applications – Grade 8 fasteners are commonly used where strength, durability, and secure hold are critical for assembly, repair, and replacement work.
• 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 you’re repairing equipment, building fixtures, or assembling heavy components, this kit delivers industrial-grade reliability in a compact, easy-to-store format.