ZELX SS 3/4-10 H3 Sprial Point Plug Tap Manufacture YMW Mfg Part Number 382627 Size (Inch) Thread Limit H3 Number of Flutes 3 Chamfered Plug Lead 3 to 5 Finish/Coating Black Oxide Material Vanadium High Speed Steel Oversize (Yes/No) No Length of Thread 1.201 Overall Length (Inch) 4-1/4 Thread Standard UNC