6399 Thread Gauge (10 to 40) 21939

Vermont American taps and dies are tooled to the most exacting
specifications to ensure that bolts fit tightly and anchor securely.
Taps are rust and tarnish resistant for greater durability and more
accurate fitting.

Features:
Screw pitch gauge for measuring screw pitches on V-threads

Vermont
American 21939 6399 Thread Gauge (10 to
40)