1" UNC / UNF Helical Go / NoGo Screw Plug Thread Gauge
Specification Size: 1" UNC / UNF Select from options: UNC 1"-8 UNF 1"-12 Wire Insert Thread Go / No-Go Screw Plug Thread Gauges for tapped holes of wire insert thread Part Number ES-12103Visit the JLS Supplies Ltd website for more information on 1" UNC / UNF Helical Go / NoGo Screw Plug Thread Gauge