5/16" BSF diameter
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Picture shown for illustration purpose only.5/16 BSF x 1.1/2 H/T Hex Setscrew, Zinc Plated£0.75 As low as £0.455/16" BSF x 1.1/2" Grade R High Tensile Hexagon Head Fully Threaded Setscrew BS 1083, Zinc Plated Learn More