Grade 4.8/8.8/10.9/12.9 High Quality DIN931 DIN933 Bolts And Nuts

Yijin Hardware has a 20-year history in the fastener industry. Its professionalism, precision and perfect quality system have won the recognition of major companies around the world. Yijin Hardware has the engineer who independently develops and designs molds, and can carry out a series of ancillary services such as preliminary mold design, proofing, and electroplating on customer drawings or samples. What is fastener(stainless fasteners) processing? Fastener processing is also called cold heading. Cold heading is one of the few new non-cutting metal pressure processing technologies. It is a processing method that uses the plastic deformation of metal under the action of external forces, and uses the mold to redistribute and transfer the metal volume to form the required part or blank. Yijin Hardware has great advantages and experience in parts molding. We provide efficient work support and services for the global precision electronics and watch industry. The cold heading process is most suitable for the production of bolts, screws, nuts, Standard and non-standard fasteners such as rivets and pins. The equipment commonly used for the cold heading process is a special cold heading machine. It is also called a heading machine and a tooth rubbing machine in the industry.

1. How can I get a quotation?
Please email us and provide 2D or 3D files drawing ,including quantity, material, surface treatment, the quotation will be sent in 24 hours.

2. Do you provide samples ?
Yes, 1~100pcs are available, trial order before mass production are welcomed.

3. Are you trading company or manufacturer ?

We are a specialized manufacturer.

4. Do you support OEM customized service ?
Yes, of course. we can custom make for you based on your drawing.

5. What is your terms of payment ?
T/T
Payment<=1000USD, 100% in advance. Payment>=5000USD, 30% T/T in advance ,balance before

5. What is your after sale service?
Regardless of the ability of any machine shop, things can sometimes go wrong. If your part isn't to spec, send it back to us. We will fix or remake it for free.