1/4" 5/16" 3/8" UNF High Tensile Self Colour Cup Point Grub Screws

Thread - UNF (AF). Grade - High Tensile steel. Material - Black Self Colour Steel. 1/4" 1/4" 1/8" 28. 1/4" 5/16" 1/8" 28. 1/4" 7/16" 1/8" 28. 1/4" 1/2" 1/8" 28. 1/4" 5/8" 1/8" 28.

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