Tap and Die Set Number of Pieces 13 Die Shape Round Tap Type Hand Tap Die Material High Speed Steel Thread Sizes Included 1/2 In.-13 NC 1/4 In.-20 NC 3/8 In.-16 NC 5/16 In.-18 NC 7/16 In.-14 NC Die Thread Sizes Included 1/2 In.-13 NC 1/4 In.-20 NC 3/8 In.-16 NC 5/16 In.-18 NC 7/16 In.-14 NC Number Of Taps 5 Number of Dies in Set 5 Thread Standard UNC Tap Shank Standard Table 302