3/8x20 BSF Screw Ring Thread Gauge Go / No-Go
Specification 3/8 BSF Screw Ring Gauge Option of Go or NoGo 3/8" BSF Ring gauges comply to BS 84, BS 919 Part 2 Calibration available see options Part Number ES-3970Visit the JLS Supplies Ltd website for more information on 3/8x20 BSF Screw Ring Thread Gauge Go / No-Go