YMW N-RZ M6 X 1.0 Roll Form Tap 2-2-1/2 Lead Manufacture YMW Mfg Part Number 389520 Size (Metric) Thread Limit D9 Number of Lobe Grooves 4 Chamfered Bottom Lead 2 to 2-1/2 Finish/Coating Oxide Material Vanadium High Speed Steel Oversize (Yes/No) No Length of Thread .433 Overall Length (Inch) 3.150 Thread Standard UNF