Pigtail bolt is also called pigtail eye bolt, pigtail hook, pigtail screw, pigtail hook screws, pigtail fastener, it's one kind of pigtail hardware.

Production process:

1. Uncoiling, straightening and cutting the wire to length.
2. Cold Forging : Forming the steel into the desired design at room temperature.
3. Pigtail end : Turning the bolt at high speed while twisting to obtain the pigtail design
4. Threading : Forming of threads is through cutting or rolling.
5. Heat Treatment : Hardening the steel by subjecting it to extreme heat.
6. Surface Treatment : Dependent on the use. Zinc plating is popular to boost corrosion resistance. Jingyoung surface treats its pigtail eye bolts by hot-dip galvanization according to ISO1461.
7. Packing/Stocking : Packaging of the bolts after quality control to check uniformity and consistency.

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