Qty. 1, Xactform, EDP 70417, M18x2.0 TMN 1/2 X .470-2.00 ISO K20C 5 Flute Carbide Thread Mill. 1.5XD. Grade K20C is primarily for steel, stainless, cast iron, and high temp alloys. 3.3” OAL, 1.18 length of cut, 1/2” diameter Weldon shank. .470” cut diameter. Could Possibly cut M16x2.0 as well, with adequate chip clearance. Only one package has a label, but all the cutters are factory marked the same. See pics for specs. Price is for one piece. Multiple pieces available. See my store for carbide inserts and other cutting tools. Make me an offer on multiple items. Shipped USPS First Class Package