1/2-20 x 3 Tap Bolts Grade 8 Hex Head Screws 1/2x20x3 Full Thread 1/2×20 x 3″
Fully Threaded Tap Bolt. Thread Pitch:20. Thread Length:3″ (Full Thread). Screws will have numbers and letter stamped into the head. NO USED, DIRTY, MODIFIED OR GREASY PARTS WILL BE ACCEPED! Screw Length:3″ (From Under The Head).