5/16.18 UNC - 2 B Go / NoGo Screw Plug Thread Gauge
Specification Product: 5/16x18 UNC - 2B Screw Plug Thread Gauge Size: 5/16" x 18 UNC Type: Double ended Go / No-Go BS1580, BS 919 Part 1 Class 2B Options: UKAS Calibration see options box Part Number ES-2849Visit the JLS Supplies Ltd website for more information on 5/16.18 UNC - 2 B Go / NoGo Screw Plug Thread Gauge