Carbon steel thin head drive black zinc plating screw

Industry knowledge：

What problems should we pay attention to when gluing the locking screw?

1、 If the screw is coated with antirust oil, it should be degreased before surface treatment, and then glued, otherwise it will affect the gluing quality.

2、 For screws with different materials, the problem and transmission speed shall be considered during gluing to prevent damage to the screws due to high temperature or slow transportation.

3、 The glued screws shall be kept dry to avoid rusting; Anti rust treatment should be done for iron screws.