Die Set, 0-80 to 5-40 Threads

For cutting external screw threads either by hand or with a die stock or by machine with a die holder. Miniature die set includes 0-80, 1-64, 2-56, 3-48, 4-40, and 5-40 dies Round adjustable split dies 13/16" diameter High Speed Steel They can be utilized to cut smaller or larger tolerance by turning the adjustment screw.