1.9/16 X 20 UNS - 2A Screw Ring Thread Gauge Go / NoGo
Product Code: ES-16634
20tpi UNS Go or NoGo screw ring gauge 1.9/16 Conforms to BS1580, BS 919 Part 1 Class 2A Calibration certificate see optionsVisit the JLS Supplies Ltd website for more information on 1.9/16 X 20 UNS - 2A Screw Ring Thread Gauge Go / NoGo