Working Plug Gages for Checking Threaded Holes

REGAL

2 5/8 16 THREAD PLUG GAGE 2.625 2.6250 GO ONLY P.D. = 2.5844 2B OR 3B INSPECTION - DW27521RD

VERMONT GAGE

3" 8 UN 2B VERMONT THREAD PLUG GAGE 3.0 3.00 GO NO GO P.D.'S = 2.9188 & 2.9299 - DW27566AT4

NEW 2 1/32 4 BPV LH API BACK PRESSURE VALVE THREAD PLUG GAGE GO ONLY PD = 1.9870 - DW27570AT4

NORTHERN GAUGE

NEW 2 1/32 4 BPV 90 DEG LH API THREAD PLUG GAGE 2.03125 GO NO GO = 1.9870 1.9965 - DW27569AT4

VAN KEUREN

2 1/32 4 90 DEGREE BPV LH API 6A THREAD PLUG GAGE 2.03125 GO NO GO 1.9870 1.9970 - DW27568AT4

VERMONT GAGE

3 1/4 8 UN 2B VERMONT THREAD PLUG GAGE 3.25 3.250 NO GO ONLY P.D. = 3.1801 CHECK - DW27564AT4

VERMONT GAGE

1 1/4 10 N BUTT 2B BUTTRESS VERMONT THREAD PLUG GAGE 1.25 GO NO GO 1.1900 1.1976 - DW27561AT4

HUECKSTAEDT

1 3/16 16 UN 2B THREAD PLUG GAGE 1.1875 GO NO GO P.D.'S = 1.1469 & 1.1535 CHECK - DW27549AQ4

VAN KEUREN

9" 8 UNS 2B THREAD PLUG GAGE GO NO GO P.D.'S = 8.9188 & 8.9298 INSPECTION CHECK - DW27555AT4

PRATT & WHITNEY

1 1/16 20 NS 2 THREAD PLUG GAGE 1.0625 GO NO GO P.D.'S = 1.0316 & 1.0364 CHECK - DW27544AQ4

LINCOLN GAGE

1/2 20 UNF 3B LEFT HAND THREAD PLUG GAGE .5 GO NO GO P.D.'S = .4675 & .4804 L.H. - DW27542AQ4

LINCOLN GAGE

1/2 20 UNF 3B LEFT HAND THREAD PLUG GAGE .5 .50 NO GO ONLY P.D. = .4804 L.H. - DW27541AQ4