(5) 1/2-13×4 Grade 8 Tap Bolts 1/2 x 4 Hex Head Screws .50 x 4.00 Full Thread
Thread Pitch:13. Thread Length:4″ (Full Thread). Screw Length:4″ (From Under The Head). NOTpreviously rejected for quality issues or rescued from a scrap yard. We will customize the order to the quantity, LARGE OR SMALL, that you desire.