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.
- 2019 Holiday Notice of Moon Festival.
We will close our company for Moon Festival from Sep 13 to Sep 15, 2019. Returning to the office on Monday Sep 16. Thank you very much for your support and understanding.Read More
- 2019 Holiday Notice of National Day.
We will close our company for National Day from Oct 10 to Oct 13, 2019. Returning to the office on Monday Oct 14. Thank you very much for your support and understanding.Read More
- ISO 9001: 2015 Quality Management
We update our ISO 9001:2015 certificate at July 2018.Read More