1. When selecting the nut column, it must be based on the thickness of the plate used, the exact size range, the hardness of the low carbon steel plate must be less than 70RB, the hardness of the stainless steel plate must be less than 80RB.
2. The surface of the free cutting iron is treated. The stainless steel maintains the original color. Users can order according to the model specifications in the table according to their needs. They can also be specially ordered according to their needs.
3, plate hole size must be 0 - +0.075mm tolerance size processing, it is recommended punching.
4, the installation must be achieved through "rising riveting" operation, can not be knocked into the impact.
5, when the material is stainless steel, the tail number is marked with "S"