Flange bolt is an integral bolt consisting of two parts, the hexagon head and the flange plate (the gasket under the hexagon head and the hexagon head are fixed together) and the screw rod (the cylinder body with the external thread), which shall be matched with the nut for fastening the parts connecting the two through holes.
 

Using high strength wire, cold heading extrusion molding.
PE bag + carton packaging shipping.

The surface treatment is environmentally friendly black zinc, salt spray up to 144H above.
 

Tiansheng has been specialized in developing and producing non-standard fasteners for 12 years. You are welcome to customize the fasteners by drawing/sample.