Starrett 6 Screw Pitch Gage With Locking Device, 4-42 Threads Per Inch, 30 Leaves

• Positive stop locking device at both ends, so leaves can be securely locked in position for use
• Specially designed narrow leaves permit checking of internal threads in nuts, as well as external threads
• Screw pitch gauges quickly determine the pitch of various external and internal threads.
• gauges consist of a substantial steel case with a number of folding leaves at both ends
• each leaf having teeth corresponding to a definite pitch.

Product Description Screw pitch gauges quickly determine the pitch of various external and internal threads. These gauges consist of a substantial steel case with a number of folding leaves at both ends, each leaf having teeth corresponding to a definite pitch. American national - 60 degree threads No. of leaves: 30 TPI range: 4 - 42 locking device. Box Contains 1 x Starrett 6 Screw Pitch Gauge tpi 4-42