1/4 x 28 UNF Go-No/Go Thread Plug Gauge - Vargus V-Gauge
G19-00018
UNF - GP-UNF1/4X28-2B-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 | 1/4 |
Pitch (TPI) | 28 |
Tolerance Class | 2B |
Standard Group | ANSI/ASME B1.2 |
G19-00018 1/4 X 28 UNF GO-NO/GO THREAD PLUG GAUGE - VARGUS V-GAUGE