Stainless steel hexagonal bolts are more common in our screws, and customers are also more useful. Below mainly, what are the common causes of stainless steel hexagonal bolts.
Stainless steel hexagonal bolt common bad reasons
1. Stainless steel outer hex bolt material is poor, some stainless steel hexagonal bolts are stainless steel, or carbon steel. However, due to the goods sent by the supplier, the material does not meet the requirements.
2, the hardness height of the hexagonal bolts of stainless steel is poorly high, and some customers need 8.8, but delivery is 4.8.
3, stainless steel hexagonal bolt head pier is poor, there is a phenomenon.
4. Stainless steel hexagonal bolts are broken.
5. The thread thread thread of stainless steel hexagonal bolts. There is no problem such as the teeth.
6, stainless steel hexagon bolts if it is iron, carbon steel. It is also possible that there is a poor plating, and the salt fog test time required to meet the customer.
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