Product: 3/8x16 UNC High Speed Steel straight flute tap set of 3
Size: 3/8"-16 UNC Straight flute taps
Manufactured to: 3/8" UNC Unified National Coarse (ISO529)
Right Hand
Tap Set of 3 includes Bottom, Second & Taper lead taps
Note: Tripod threads. Some medium format cameras and almost all large size cameras as well as most of the connectors between tripods and panoramic heads use this thread.