Working Plug Gages for Checking Threaded Holes

SHOP MADE 5.188 12 UN 2B BEFORE PLATE THREAD PLUG GAGE GO ONLY PD= 5.1369 2B 3B - DW27433AM4

DOALL

6 3/8 16 UN 3B THREAD PLUG GAGE 6.375 6.3750 GO ONLY P.D. = 6.3344 3B OR 2B - DW27438AM4

SHOP MADE 6 7/8 16 UN 3B THREAD PLUG GAGE 6.875 GO NO GO PD'S = 6.8344 & 6.8406 - DW27430AM4

5 1/2 4 ACME THREAD PLUG GAGE 5.5 4.0 GO ONLY P.D. = 5.375 5 1/2"-4 INSPECTION - DW27428AM4

SHOP MADE 5 3/4 16 UN 3B THREAD PLUG GAGE 5.75 GO NO GO PD'S = 5.7094 & 5.7155 - DW27427AM4

DOALL

6 1/4 16 N 3 THREAD PLUG GAGE 6.25 6.250 GO ONLY P.D. = 6.2094 UN-2B OR 3B - DW27439AM4

SHOP MADE 6" 3 ACME THREAD PLUG GAGE 6.0 3.0 6"-3 INSPECTION CHECK GO ONLY - DW27426AM4

HELI-COIL

2 56 UNC 2B STI HELICOIL THREAD PLUG GAGE #2 .086 GO ONLY P.D. = .0976 2B OR 3B - DW27425LVR

SHOP MADE 3" 4 SQUARE THREAD THREAD PLUG GAGE 3.0 4.0 3"-4 INSPECTION CHECK - DW27407AM4

SHOP MADE 2 7/8 12 THREAD PLUG GAGE 2.875 2.8750 2 7/8"-12 INSPECTION CHECK - DW27406AM4

SHOP MADE 5 3/4 16 UN 3B THREAD PLUG GAGE 5.75 5.750 NO GO ONLY P.D. = 5.7155 - DW27419AM4

SHOP MADE 5 3/8 12 UN 3B THREAD PLUG GAGE 5.375 5.3750 5 3/8"-12 INSPECTION - DW27418AM4