Working Plug Gages for Checking Threaded Holes

S.G. CO.

11 1/4 6 UNJS 3B BEFORE PLATE THREAD PLUG GAGE 11.25 NO GO ONLY P.D. = 11.1573

VK

7" 5 1/2 SPECIAL MODIFIED BUTTRESS THREAD PLUG GAGE 7.0 GO NO GO 6.9190 & 6.9390

G.A. CO.

8" 8 UNS 2B THREAD PLUG GAGE 8.0 GO NO GO P.D.'S = 7.9188 & 7.9296 INSPECTION

PONAM

8 1/4 8 UNS 3B MODIFIED THREAD PLUG GAGE 8.25 GO ONLY P.D. = 8.1688 QUALITY

PONAM

10 3/4 8 UNS 3B MODIFIED THREAD PLUG GAGE 10.75 GO ONLY P.D. = 10.6688 UNS-3B

PONAM

9 1/2 16 UNS 3B LEFT HAND THREAD PLUG GAGE 9.5 NO GO ONLY P.D. = 9.4690 L.H.

PD CO.

8 1/4 4 UNS 3B THREAD PLUG GAGE 8.25 GO NO GO P.D.'S = 8.0904 & 8.1005 TOOL

SOUTHWESTERN GAGE CO.

5 3/8 12 UN 2B LEFT HAND THREAD PLUG GAGE 5.375 GO NO GO P.D.S = 5.3209 & 5.3296

PD CO.

7" 16 UNS SPECIAL THREAD PLUG GAGE 7.0 GO NO GO P.D.'S = 6.9594 & 6.9655 TOOL

VARD

6 7/8 16 NS 3 THREAD PLUG GAGES 6.875 GO NO GO P.D.'S = 6.8344 & 6.8433 QUALITY

PD CO.

9 3/4 8 UNS 3B THREAD PLUG GAGE 9.75 NO GO ONLY P.D. = 9.6771 QUALITY INSPECTION

VARD

6 1/2 16 NS 2 THREAD PLUG GAGES 6.5 GO NO GO PDS 6.4594 & 6.4684 INSPECTION