The Starrett 473 Screw Pitch Gage includes a substantial steel case with a number of folding leaves at both ends.FeaturesFeatures 30 leaves, 6 to 60 TPI range, with positive stop and 11-1/2 and 27...
For determining the pitch of various threads Pitch marked on leaf Steel case Narrow design of leaves permits checking of internal threads and external threads With locking device.
For determining the pitch of various threads Pitch marked on leaf Steel case Narrow design of leaves permits checking of internal threads and external threads With locking device.