* Using as fastening piece.

* Some screw bolts with hole or groove are often used to prevent loosening.

* Nonstandard bolt

* We can supply nonstandard bolt as customers' requirements

1) Materials: carbon steel, alloy steel, stainless steel, colored steel, copper

2) Size: all sizes

3) Electrode posit: chrome plated, zinc plated or black

4) Thread: fine thread and coarse thread

5) Packing Specified products according to customers' requirements