Product Description
Coupling Nuts
Standard : GB/T6177, DIN6330, DIN6334, DIN5587
Material : Carbon Steel,Alloy steel,stainless steel
Grade : 4 / 6 / 8/ 10/A2 / A4
Surface Finish : Black, Zinc plated, Hot Dip Galvanised, Dacromet etc
Size : M6-M48;1/4″-4″