12x28 UNF - 2A Go / No-Go Screw Ring Thread Gauge

Specification Product: 12.28 UNF - 2A Screw Ring Thread Gauges Size: 12 x 28 tpi Unified National Fine Type: Go / No-Go Ring Gauge BS1580, BS 919 Part 1 Class 2A Options: Go or No-Go Ring UKAS Calibration adds 7 days see options box Part Number ES-4033

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