Grade 8 carriage bolts are engineered for high-strength fastening applications where superior tensile strength and durability are required. Featuring a smooth, rounded head and a square neck that resists rotation during installation, these heavy-duty carriage bolts are ideal for construction, agricultural, heavy equipment, snowplow, and industrial assemblies that demand secure, long-lasting performance.

Manufactured to meet Grade 8 strength requirements, these carriage bolts are available in a range of inch sizes to accommodate a variety of fastening applications. Their rugged design makes them well suited for wood-to-wood, wood-to-metal, and metal-to-metal connections where dependable clamping force and resistance to vibration are essential. Grade 8 carriage bolts are a trusted choice for OEMs, distributors, and maintenance professionals seeking reliable, high-performance fasteners. For all inquiries please call or email us.

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Thread

Length

Length Info

Box Quantity

N/A 1/2"-13 N/A 2.5 N/A Full N/A 200
N/A 5/8"-11 N/A 2 N/A Full N/A 140
N/A 5/8"-11 N/A 2.5 N/A Full N/A 120
N/A 5/8"-11 N/A 3 N/A Full N/A 110
N/A 5/8"-11 N/A 3.5 N/A Full N/A 100
N/A 5/8"-11 N/A 4 N/A Full N/A 80
N/A 5/8"-11 N/A 4.5 N/A Full N/A 80
N/A 5/8"-11 N/A 5 N/A Full N/A 75
N/A 5/8"-11 N/A 6 N/A Full N/A 65
N/A 3/4"-10 N/A 2.5 N/A Full N/A 85
N/A 3/4"-10 N/A 3 N/A Full N/A 75
N/A 3/4"-10 N/A 4 N/A Full N/A 60
N/A 1/2-13 N/A 2 N/A Full N/A 240
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