number 4 UNC / UNF Helical Go / NoGo Screw Plug Thread Gauge
Product Code: ES-12088
Size: number 4 UNC / UNF Select from options: UNC 4.40 UNF 4-48 Wire Insert Thread Go / No-Go Screw Plug Thread Gauge for tapped holes of wire insert threadVisit the JLS Supplies Ltd website for more information on number 4 UNC / UNF Helical Go / NoGo Screw Plug Thread Gauge