1/4.20 UNC - 2 B Go / NoGo Screw Plug Thread Gauge

Specification Product: 1/4x20 UNC - 2B Screw Plug Thread Gauge Size: 1/4" x 20 UNC Type: Double ended Go / No-Go BS1580, BS 919 Part 1 Class 2B Options: UKAS Calibration see options box Part Number ES-2848

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