The material of this product is 304 stainless steel. Due to the tolerance of 0.02mm, CNC is used for high-precision turning and the surface roughness is Ra1.6.
 

Surface treatment passivated layer, salt spray can be up to 144H above.

PE bag + carton packaging shipping.
 

Tiansheng has been producing fasteners professionally for 12 years. You are welcome to send us your drawings/samples to customize your products.