7/16 - 14 X 2 1/2 Hex Bolt / Cap Screw Qty (1) Hex Head Cap Screws Grade 8 Coarse Yellow / Zinc Plated. Bolt pictures are a general representation and not an actual picture of the product you will receive. Threads will vary according to the individual bolt sizes and dimensions. ISO standards for threads are: length is twice the diameter of the bolt plus ½ inch.