9/16x18 UNF - 2B LEFT HAND Screw Plug Thread Gauge Go / NoGo

Product: 9/16" x 18 UNF - 2B Screw Plug Thread Gauges LEFT HAND Size: 9/16 x 18 tpi Unified National Fine Type: 9/16" UNF Double ended Go / No-Go BS1580, BS 919 Part 1 Class 2B Options: UKAS Calibration adds 7 days see options box

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