1"x20 UNEF - 2A Go / No-Go Screw Ring Thread Gauge
Specification Product: 1 x 20 UNEF - 2A Screw Ring Thread Gauge Size: 1" Unified Extra Fine thread ring gauges Type: 1"x20 tpi UNEF Go or No-Go Options: Go Ring and No-Go Ring UKAS Calibration adds 7 days see options box Part Number ES-3723Visit the JLS Supplies Ltd website for more information on 1"x20 UNEF - 2A Go / No-Go Screw Ring Thread Gauge