Haiyan Tongda Standard Factory [China]

Detailed Product Description

screwsort:self drilling screw,machine screw,wood screw,self tapping screw

standard vailable:ISO,ANSI,DIN,JIS,GB

material:carbon steel,aluminum,stainless

plated:black,white and color zinc,black and white nickel,gold brassing,6+Cr,3+Cr