1/2x20 UNF - 2A ANSI No-Go Screw Ring Thread Gauge

Specification Product: NOTE ANSI Spec 1/2" x 20 UNF - 2A Screw Ring Thread Gauges Size: 1/2 x 20 tpi Unified National Fine Type: 1/2" UNF No-Go Ring Gauge BS1580, BS 919 Part 1 Class 2A UKAS Calibration adds 7 days see options box Part Number ES-14973

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