The product is made of SUM23 bar material imported from Japan, CNC machining center, surface roughness Ra3.2, tolerance +/-0.005.

The surface is green blue zinc, electroplating film thickness is 8~12 m, salt spray requirements can be up to 240H above;
Due to the high hardness of SUM23 material, the product will crack during riveting, so it needs to be annealed before electroplating.

PE bag + carton packaging shipping.

Tiansheng has been developing and producing non-standard fasteners for 12 years. Welcome to customize your products with your drawings/samples.