Carriage bolt


Carriage bolt is also called round head square neck bolt, a kind of fastener composed of two parts of the head and screw, which needs to be matched with the nut for fastening and connecting two parts with through holes.

Carriage bolts are divided into large half round head carriage bolts (corresponding to standard GB/T14 and DIN603) and small half round head carriage bolts (corresponding to standard GB/T12-85) according to the head size.

The carriage bolt is applied in the slot, the square neck is stuck in the slot during the installation process, which can prevent the bolt from rotating, and the carriage bolt can move parallel in the slot. 


Because the head of the carriage bolt is round, there is no design of available assisting tools such as a cross slot or hex, and it can also play a role in preventing theft during the actual connection process.

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High-grade packaging:


1. We have a variety of package sizes;


2. For large orders, we can design boxes and cartons of specific sizes;


3. Special packaging can be provided according to customer requirements.



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