Tungsten steel tap and die set for semi-professional use in a sturdy plastic box. Includes two die holders, two tap holders, one T-holder and pre- and main cutter taps UNC sizes #4-40, #6-32, #8-32, #10-24, #12-24, 1/4-20, 5/16-18, 3/8-16, 7/16-14, 9/16-12, 1/2-13, 5/8-11, 3/4-10.
UNF sizes #10-32, 1/4-28, 5/16-24, 3/8-24, 7/16-20, 9/16-18, 5/8-18 and 3/4-16.
UNS sizes 1/4-24 and 1/4-32.
Metric sizes M6 x 1.0, M8 x 1.25, M10 x 1.5, M10 x 1.0, M11 x 1.5, M12 x 1.25, M12 x 1.75, M14 x 1.25, M18 x 1.5.
Also includes taps for 1/8-27NP and 1/4-18NPT.