- Shaped bolt
- What inspections are needed for shaped parts
- What are the requirements for special-shaped parts when selecting materials
- Processing custom-made odd and difficult shaped pieces
- Shenzhen Shaped parts processing wholesale
- Shaped parts manufacturers
- Shenzhen Shaped parts factory
- Special-shaped parts Shenzhen direct manufacturers
China Shaped Parts, Inc.
tel.:+86-755-29931388
fax:+86-755-29931288
No. 21, Xinfa 2nd Road, Xinfa Industrial Zone,Xinqiao, Baoan, Shenzhen,China. 518125
1.Standards for fastener product dimensions: specify the basic dimensions of the product; products with threads also include the basic dimensions of the threads, thread endings, shoulder distances, grooving and chamfering, and the end of external thread parts Size and other aspects.
2. The standard of fastener product technology item. Specifically, it includes the following standards:
a) Standards for fastener product tolerances: specify the content of product size tolerance and shape tolerance.
b) Standards for the mechanical properties of fastener products: specify the marking method of product mechanical performance grades and the content of mechanical performance items and requirements; some fastener products change this content to product material performance or work performance. content.
c) Standards for surface defects of fastener products: specify the types and specific requirements of product surface defects.
d) Standards for surface treatment of fastener products: specify the types of product surface treatment and specific requirements.
e) Fastener product test standards: specify the test content of the above various performance requirements.
3.Fastener product acceptance inspection, marking and packaging standards: specify the quality level and sampling plan of the random inspection items of the product during factory inspection and acceptance, as well as product marking methods and packaging requirements.
4.Standards for fastener product labeling methods: specify the content of complete product labeling methods and simplified labeling methods.
5.Standards for other aspects of fasteners: such as standards for fastener terminology, standards for fastener product weight, etc.
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