3/8"-16 x 1 Grade 8 Carriage Bolts (10-Pack) – Heavy-Duty Coarse Bolts Includes Flat Washers Lock Washers & Nuts – Round Head Square Neck SAE 1.0" for Machinery & Construction
Product Description
3/8"-16 x 1 Grade 8 Carriage Bolts (10-Pack) – Heavy-Duty Coarse Bolts Includes Flat Washers Lock Washers & Nuts – Round Head Square Neck SAE 1.0" for Machinery & Construction
- Complete 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" long. Nuts and washers fit 3/8" bolts.
- Grade 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.
- Vibration-Resistant Locking System: washers help prevent loosening under torque, shock, and movement — perfect for equipment that sees constant vibration or cyclic loads.
- Precision-Matched Components: All fasteners are 3/8"-16 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.
Technical Specifications
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