Carriage bolts have no drive on the head, but the square neck under the head has the function to fix position of the bolt. A carriage bolt is a fastener without drive usually to connect wood and metal, generally used in lock systems and alarm systems.
- 2018 Holiday Notice of Moon Festival.
We will close our company for Moon Festival from Sep 22 to 24, returning to the office on Tuesday Sep 25. Thank you very much for your support and understanding.Read More
- 2018 Holiday Notice of National Day.
We will close our company for National Day on Oct 10, returning to the office on Thursday Oct 11. Thank you very much for your support, we really appreciate all the help.Read More
- ISO 9001: 2015 Quality Management
We update our ISO 9001:2015 certificate at July 2018.Read More