What are the general technical requirements for brass knurled head thumb screws?

Generally speaking, as long as it is a product produced, there is a technical requirement. Without these requirements to limit, then the products produced may have a lot of errors, or simply do not meet our requirements. So what are the general technical requirements for brass knurled head thumb screws?

brass knurled head thumb screws

1. Mechanical properties (performance grade, material)
2. Product grade (tolerance)
3. Standardized geometric features (if needed)
4. Surface covering (if required); special technical requirements (if agreed)

All data relates to the finished product of brass knurled head thumb screws. The manufacturing process should not be specified unless there is a special standard or an agreement between supply and demand.

The manufacturing method used by the screw manufacturer should ensure that the brass knurled head thumb screws has a complete surface and edges without burrs. Generally, it is not required to remove small burrs caused by processes such as grooving or forging, stamping or trimming. However, any burrs that affect the performance of the product or are a safety hazard when touched should be removed.

Trimming burrs beyond the support surface of the brass knurled screws are not permitted.

Allow the screw to have a center hole unless otherwise specified.

Unless a surface covering has been specified, the surface treatment of the product should be: simple handling.

If there is no other agreement, the screws delivered should be clean and coated with rust preventive oil.

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