ATLAS 1/2-13UNC-2A THREAD PLUG GAGE GO PD.4485 NOGO PD.4435

DETROIT 1/2-20 NF-3 THREAD PLUG GAGE GO PD..4675 NOGO PD.4649

ATLAS 1/2-20UNF-3A THREAD PLUG GAGE GO PD.4675 NOGO PD.4843

ATLAS 1/2-20UNF-2A THREAD PLUG GAGE GO PD.4662 NOGO PD.4619

ATLAS 1-1/4-7NC-2 THREAD PLUG GAGE GO PD1.1572 NOGO PD1.1657

ATLAS 1/4-20UNC-2A THREAD PLUG GAGE GO PD.2164 NOGO PD.2127

NEW ATLAS 2-64 NF-2A THREAD PLUG GAGE GO PD.0753 NOGO PD.0733

ATLAS 9/16-18 UNF-2A THREAD PLUG GAGE GO PD .5250 NOGO PD .5205