Tap and Die Set Number of Pieces 18 Die Shape Round Fixed Tap Type Hand Tap Die Material High Speed Steel Thread Sizes Included #10-24 #10-32 #12-24 #4-40 #6-32 #8-32 1/4 In.-20 Die Thread Sizes Included #10-24 #10-32 #12-24 #4-40 #6-32 #8-32 1/4 In.-20 Number Of Taps 7 Number of Dies in Set 7 Thread Standard UNC UNF Tap Shank Standard Table 302