How to check the quality of mechanical vises?

After selecting the type and jaw capacity of vise suitable for machining the workpiece, how to choose the one with the best cost performance among many manufacturers, it is an important step in purchasing.

1. Precision

The higher the accuracy, the better

2. Material

Steel is better than iron;

Ductile iron is better than gray iron;

Same material, the higher the weight, the better the quality

3. Surface finish

Related to material and process

Pingyuan Zhenghao Machinery do precision modular vises, welcome to buy!