Working Plug Gages for Checking Threaded Holes

THREAD CHECK

2 7/8 12 UN 2B LEFT HAND THREAD PLUG GAGE 2.875 GO NO GO PD'S = 2.8209 & 2.8291 - DW25974BK3

ALAMEDA

CERTIFIED M10 X 1.5 6H THREAD PLUG GAGE 10 GO NO GO PD'S = 9.026 & 9.206 CHECK - DW25968TLC

GREENFIELD

CERTIFIED M12 X 1.75 6H THREAD PLUG GAGE 12 GO NO GO P.D.'S = 10.863 & 11.063 - DW25961TLC

WIDELL

CERTIFIED M6 X 1 6H THREAD PLUG GAGE 6 1.0 GO NO GO PD'S = 5.350 & 5.500 CHECK - DW25963TLC

ALAMEDA

CERTIFIED M10 X 1 6H THREAD PLUG GAGE 10 1.0 GO NO GO P.D.'S = 9.350 & 9.500 - DW25965TLC

MERCURY GAGE

CERTIFIED M20 X 2.5 6H THREAD PLUG GAGE 20 GO NO GO P.D.'S = 18.376 & 18.600 - DW25969TLC

G.A. CO.

CERTIFIED M8 X 1.25 6H THREAD PLUG GAGE 8 GO NO GO P.D.'S = 7.188 & 7.348 CHECK - DW25964TLC

ALAMEDA

CERTIFIED M14 X 2 6H THREAD PLUG GAGE 14 2.0 GO NO GO P.D.'S = 12.701 & 12.913 - DW25962TLC

THREAD CHECK

2 3/4 8 UN 3B THREAD PLUG GAGE 2.75 2.750 GO NO GO P.D.'S = 2.6688 & 2.6769 - DW25979BK3

3" 8 UN 2B THREAD PLUG GAGE 3.0 3.00 3.000 GO NO GO P.D.'S = 2.9188 & 2.9299 - DW25957BK3

NEW 1 5/16 18 UNEF 2B THREAD PLUG GAGE 1.3125 GO NO GO P.D.'S = 1.2764 & 1.2827 - DW25960BK3

PENNOYER DODGE

2" 8 UNJ 3B THREAD PLUG GAGE 2.0 2.00 2.000 2.0000 NO GO ONLY P.D. = 1.9264 - DW25941BK3