1, Product Name: Self-Locking Counter Nuts 
2, Material: Carbon Steel or Stainless Steel
3, Finish: Plain, Zinc Plated, Black, HDG
4, Standard: DIN,ISO,ASME,EN,NF
5, Grade: 4.8/8.8/10.9/12.9 A2-70,A4-70,A4-80 
6, Thread: UNC, UNF
7, Packing: carton, wooden cases or as customer's requirement.
8, Small MOQ available, fast lead time. 

Application:

Automotive - cars, trucks, buses
compressor
Construction machinery
Wind power equipment
agricultural machine
Foundry industry
Drilling equipment