Eyeglass screw
Bailian hardware has successfully produced eyeglass screws for the extremely precise glasses industry.
In the initial design of these screws, the customer provided a very small size, and put forward the design requirement of positioning the glasses at the high end, which belongs to the use of high-end luxurious glasses.
Although the bolt is small, the square bolt head is designed, the surface treatment is polished and the gold plating, avoid it is easy to fade.