Half hollow rivet manufacturers inspect their own rivet products. What are the inspection standards for half hollow rivet manufacturers
1. Check if the color and model match the sample;
2. The solid structure of the upper and middle parts of the rivet cylinder should not have empty or hollow spaces;
3. The overall structure has no cracks or bubbles; No broken edges or uneven thickness;
4. The surface of rivets should not have gaps, cracks, unevenness, or obvious scratches;