CARRIAGE BOLTS, GRADE 5

Grade 5 Carriage Bolt SAE J429, ASME B18.5, Full Thread to 6". Grade 5 carriage bolts are considered medium-strength featuring a round head and square neck. They are made from medium carbon steel or carbon steel with additives and are quenched and tempered to increase their strength and durability. Grade 5 carriage bolts have a tensile strength of 105,000–120,000 psi and a proof load of 85,000 psi, and are identifiable by three radial lines on the top of their head that are spaced 120 degrees apart. They are also equivalent to metric class 8.8 bolts. Grade 5 carriage bolts are used in manufacturing, construction, and industrial applications and will give your metal, wood, and plastic work an even and seamless finish. Fulfill your Grade 5 carriage bolt needs with ease here at Crest Fasteners.
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