Screw Pitch Gauge 4-42 TPI, 28 Leaves, 60 Degree Threads, Big Horn, Mfr#: 19212

Biig Horn 19212 4-42 TPI, 28 Leaves, 60 Degree Threads Screw Pitch Gage. Thread pitch size is stamped on each gage. Our screw pitch gages are among the most useful tools in any mechanics’ tool box. They quickly determine the pitch of various threads. Locking device at both ends to securely lock the leaves.