Fast-n-rs Clevis Pin 5/16 x 1 offered in bags with 200 pcs Zinc Plated, Detail Specs: Diameter 0.313" Max 0.311" / Min 0.306" , Head Diameter 0.370" Max 0.380"/ Min 0.365" Hole Diameter 0.141" Max 0.150"/ Min 0.135" , Shank Length Tolerance + 0.020" / - 0.000"