41 piece, SAE machine screw and fractional tap and hex die set, dies are ideal for routine maintenance, repair work and for rethreading where high accuracy and tolerance thread is not critical, taps have straight flutes which are ground to provide rapid chip removal For efficient threading, designed for hand threading work in a variety of materials taps produce a class 2B thread, includes machine screw 4 x 40NC, 6 x 32NC, 8 x 32NC, 10 x 24NC, 10 x 32NF, 12 x 24NC Tap and Dies, fractional 1/4 inch x 20NC, 1/4 inch x 28NF, 5/16 inch x 18NC, 5/16 inch x 24NF, 3/8 inch x 16NC, 3/8 inch x 24NF, 7/16 inch x 14NC, 7/16 inch x 20NF, 1/2 inch x 13NC, 1/2 inch x 20nf Taps and Dies, Pipe 1/8 inch - 27NPT Tap and Die, plain die stock for 5/8 inch hex dies, adjustable die stock for 1 inch dies, adjustable handle tap wrench for taps 0-1/4 inch, t-handle tap wrench for taps 0-1/4 inch, 2 in 1 tap wrench For Taps 1/4 inch-1/2 inch, 18 leaf standard thread pitch gauge.
