Widely used in the automotive and electronics industries, Class 8 Hex Nuts are intended for use with screws and bolts of property class 8.8 or lower. Made of steel with a max carbon content of 0.58%, min manganese content of 0.25%, max phosphorus content of 0.060%, and max sulfur content of 0.150%. Proof load for M5 nuts is 855 N/mm sq. MHN6C
