1/4 x 20 UNC Go-No/Go Thread Plug Gauge - Vargus V-Gauge
G19-00058
UNC - GP-UNC1/4X20-2B-G/NG
A Certificate of Inspection is supplied for each V-Gauge item with a QR code printed on the label (See Images)

Thread | UNC |
Diameter | 1/4 |
Pitch (TPI) | 20 |
Tolerance Class | 2B |
Standard Group | ANSI/ASME B1.2 |
G19-00058 1/4 X 20 UNC GO-NO/GO THREAD PLUG GAUGE - VARGUS V-GAUGE