1/2 x 20 UNF Go-No/Go Thread Plug Gauge - Vargus V-Gauge
G19-00060
UNF - GP-UNF1/2X20-2B-G/NG
A Certificate of Inspection is supplied for each V-Gauge item with a QR code printed on the label (See Images)

Thread | UNF |
Diameter | 1/2 |
Pitch (TPI) | 20 |
Tolerance Class | 2B |
Standard Group | ANSI/ASME B1.2 |
G19-00060 1/2 X 20 UNF GO-NO/GO THREAD PLUG GAUGE - VARGUS V-GAUGE