Working Plug Gages for Checking Threaded Holes

GTD

3/4 12 NS 3 THREAD PLUG GAGE .75 .750 .7500 GO ONLY P.D. = .6959 UN-2B OR 3B - DW30459LVR

SINGER

9/64 40 SS 2 LEFT HAND THREAD PLUG GAGE .1406 GO NO GO P.D.'S = .1269 & .1291 - DW30458LVR

9/16 18 UNF LEFT HAND THREAD PLUG GAGE .5625 GO ONLY P.D. = .5264 2B OR 3B L.H. - DW30457LVR

PRATT & WHITNEY

9/16 18 CL 3 THREAD PLUG GAGE .5625 9/16"-18 CL 3 GO AND NO GO INSPECTION CHECK - DW30456LVR

MERCURY

NEW 7/16 20 UNJF 3B THREAD PLUG GAGE .4375 GO ONLY P.D. = .4050 3B OR 2B CHECK - DW30455LVR

7/8 14 NF LEFT HAND THREAD PLUG GAGE .875 GO ONLY P.D. = .8286 UNF 2B OR 3B L.H. - DW30454LVR

HANSON WHITNEY

1" 11 1/2 ANPT L1 & L3 THREAD PLUG GAGE 1.0 1.00 1.000 1.0000 NPT AEROSPACE - DW30439BJ4

1" 27 NS THREAD PLUG GAGE 1.0 1.00 1.000 1.0000 GO ONLY P.D. = .9759 2B OR 3B - DW30436LVR

BUDGET .600 16 THREAD PLUG GAGE .6 .60 .6000 .600"-16 GO ONLY INSPECTION CHECK - DW30435LVR

SHOP MADE 5/8 12 THREAD PLUG GAGE .625 .6250 5/8"-12 GO ONLY INSPECTION CHECK - DW30434LVR

SHOP MADE 5 1/2 16 LEFT HAND THREAD PLUG GAGE 5.5 .50 .500 .5000 L.H. GO ONLY - DW30432LVR

SHOP MADE 5" 4 ACME THREAD PLUG GAGE 5.0 4. 5"-4 INSPECTION CHECK - DW30429LVR