1.3/8"x8 BSF Screw Ring Thread Gauge Go / No-Go
Specification 1.3/8 BSF Screw Ring Gauge Option of Go or NoGo Ring gauges comply to BS 84, BS 919 Part 2 Calibration available see options Part Number ES-3980Visit the JLS Supplies Ltd website for more information on 1.3/8"x8 BSF Screw Ring Thread Gauge Go / No-Go