G 1/2x14 BSP Thread Ring Gauge No-Go Class "B" Free Fit
Specification G1/2 BSP Go or NoGo screw ring thread gauge 1/2.14 tpi BSP Conforms to BS2779, BS 919 Part 2 1/2" Calibration certificate see "calibration screw thread gauges" Part Number ES-7374Visit the JLS Supplies Ltd website for more information on G 1/2x14 BSP Thread Ring Gauge No-Go Class "B" Free Fit