Tap & Die Set, 41-Piece 

This 41-piece tap and die set includes all the common sizes from #4 to 1/2".

The set includes a screw pitch gage, a die stock and a T-handle tap wrench.

The threads covered include:

NC: 4-40, 6-32, 8-32, 10-24, 12-24, 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13

NF: 10-32, 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20

NPT: 1/8"-27