Pigtail hook bolt for wooden pole

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.