A round head bolt with a short, square shoulder under the head, and a unified thread pitch. The bolt is made from low or medium carbon steel.
Designed to keep the bolt from turning when a nut is being tightened. The short neck is used with sheet metal where a standard size neck would create an obstruction, such as with garage doors.
Thread Length: The minimum length of thread shall be equal to twice the basic bolt diameter plus .025" for bolts <6", and twice the diameter plus .50" for bolts >6".
All carriage are made to ASME standard specs. Click on the Data Sheet Icon for product drawings, dimensions, performance and mechanical data.
Needing a custom carriage bolt? AFT offers in-house plating and customization including: Xylan, Black Oxide, drilling, cutting, nylon patch and more. Please contact us for a quote.
