Working Plug Gages for Checking Threaded Holes

SCHRILLO

4 3/4 12 N THREAD PLUG GAGE 4.75 4.750 4.7500 GO ONLY P.D. = 4.6961 INSPECTION - DW26218RD

PENNOYER DODGE

5 23/32 20 UNS 3B THREAD PLUG GAGE 5.71875 GO ONLY P.D. = 5.6868 3B OR 2B CHECK - DW26220RD

4 1/2 8 N THREAD PLUG GAGE 4.5 4.50 4.500 4.5000 QUALITY INSPECTION UN-2B OR 3B - DW26216RD

4.724 6 NS THREAD PLUG GAGE 4.7240 GO ONLY P.D. = 4.6157 4.724"-6 INSPECTION - DW26219RD

SHOP MADE 2 1/4 8 LEFT HAND THREAD PLUG GAGE 2.25 2.250 2.2500 L.H. INSPECTION - DW26211RD

HANSON WHITNEY

1.100 12 NS 2 THREAD PLUG GAGE 1.1 .10 .100 GO NO GO P.D.'S = 1.0459 & 1.0515 - DW26214RD

PRATT & WHITNEY

3/4 20 NS SPECAL THREAD PLUG GAGE .75 .750 .7500 GO ONLY P.D. = .7130 - DW26208RD

DAVIS

1" 16 LEFT HAND QUAD LEAD THREAD PLUG GAGE 1.0 GO NO GO PDS= .9594 & .9619 4-STR - DW26215RD

PENNOYER DODGE

1" 8 UNS 3B STI HELICOIL THREAD PLUG GAGE 1.0 1.00 NO GO ONLY P.D. = 1.0868 - DW26210RD

PENNOYER DODGE

2 3/8 16 N 3 THREAD PLUG GAGE 2.375 2.3750 NO GO ONLY P.D. = 2.3388 INSPECTION - DW26207RD

GTD

.900 20 NS 3 THREAD PLUG GAGE .9 .90 .9000 GO NO GO P.D.'S = .8675 & .8711 CHECK - DW26206RD

SHOP MADE 1 1/8 - 8 & 1 1/4 - 8 3B THREAD PLUG GAGE GO ONLY PD = 1.0450 & 1.1683 - DW26212RD