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Steel Carriage Bolt, Grade 5, Zinc Plated Finish, Square Neck, Round Head, Meets ASME B18.5/SAE J429, 1" Length, Fully Threaded, 5/16"-18 UNC Threads (Pack of 50)
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*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
About Steel Carriage Bolt, Grade 5, Zinc Plated
The grade 5 steel carriage bolt with zinc plated finish has a square neck and round head and meets American Society of Mechanical Engineers ASME B18.5 and Society of Automotive Engineers J429 specifications. Grade 5 steel, composed of quenched and tempered medium carbon steel, is often used in applications where strength is the primary concern. The zinc plating offers corrosion resistance and has a reflective appearance. The square neck prevents the bolt from turning once installed, even when a nut is tightened. The round head has a domed shape.Carriage bolts, also called round head square neck bolts, are square-necked threaded fasteners commonly used in wood fastening applications. The bolt’s square neck prevents it from turning once installed using a nut.
