Sizes: M8 x 16/20/25/30mm Flanged Hex Head Bolts pair with serrated flange lock nuts and washers.
Flange Design: there have a flange on the bottom of the bolts head and the flange nuts, which distributes the load like a spring washer; And serred flange make it screw firmly
Easy to Get the Exact Sizes: The bolts and nuts come in a portable firm clear box with corresponding sizes label. It is convenient for you to put away and store, which allow you to get the one you need quickly, improving your project efficiently.
High Quality: these bolts set are made of good A2-70 stainless steel 18-8 (304) material, featuring with higher hardness & great tensile strength, offering corrosion resistance even in severe surroundings.
