Ideal for accurately measuring internal and external thread forms. Manufactured from hardened and polished steel the blades are precision milled for optimum accuracy.
Enclosed in a steel case.
Range of sizes Whitworth 4 62 TPI
Metric 0.75 6mm American 4 42 TPI.
What’s in the box
1 x Kennedy 30 Blade Screw Pitch Gauge 60 Deg American
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