直径
3/16in, 1/4in, 月/16IN, 12mm
Standard
ISO,DIN ,ANSI ,JIS ,GB, BSW , ASE, IFI ,,UNI
Material
Carbon Steel , Stainless steel , Platisc , Nylon ,
Grade
4.8, 8.8 ,10.9,12.9 , A2-70, A4-80
Surface
Black , Zinc Plated , Hot Dip Galvanzied , Pakshal
Place of Origin
Jiangsu China