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Metric nuts, 20mm

Nuts have internal machine threads, for use with machine thread bolts and screws.

Metric nuts, 20mm
Hex nuts A standard six sided nut. Zinc plated class 8.8 steel A tempered medium carbon steel. Class 8.8 is hardened, but it is not as strong as class 10.9. It is commonly found in automotive applications. Class 8.8 is similar to grade 5. A low carbon steel for general use. Zinc plated for moderate corrosion resistance. Zinc plated class 10.9 steel A tempered medium carbon steel. Class 10.9 is stronger than class 8.8. It is commonly found in high strength automotive applications. Class 10.9 is similar to grade 8. A low carbon steel for general use. Zinc plated for moderate corrosion resistance. Show Details Hide Details	Hex nylon insert lock nuts A hex nut with a nylon ring to resist loosening. Zinc plated class 8.8 steel A tempered medium carbon steel. Class 8.8 is hardened, but it is not as strong as class 10.9. It is commonly found in automotive applications. Class 8.8 is similar to grade 5. A low carbon steel for general use. Zinc plated for moderate corrosion resistance. Zinc plated class 10.9 steel A tempered medium carbon steel. Class 10.9 is stronger than class 8.8. It is commonly found in high strength automotive applications. Class 10.9 is similar to grade 8. A low carbon steel for general use. Zinc plated for moderate corrosion resistance. Show Details Hide Details
Coupling nuts A long nut used to connect pieces of threaded rod or other male threaded fasteners. Stainless steel 18-8 (A-2) Also known as A-2 stainless, 18-8 is the most common grade of stainless steel for general use. Zinc plated class 6 steel A low carbon steel for general use. Zinc plated for moderate corrosion resistance. A low carbon steel for general use. Show Details Hide Details