G.A. CO.

G.A. CO.

1/2 20 UNF 3A EXTRA THICK THREAD RING GAGE .5 GO ONLY P.D. = .4675 DEEPWELL

G.A. CO.

1/2 20 UNF 3A SPECIAL THREAD RING GAGE .50 NO GO ONLY P.D. = .4643 1/2-20 UNF-3A

G.A. CO.

1/2 20 UNF BEFORE PLATE THREAD RING GAGE .5 NO GO ONLY P.D. = .4589 B/P QUALITY

G.A. CO.

1/2 20 UNF SPECIAL THREAD RING GAGES .5 GO NO GO P.D.'S = .4710 & .4685 1/2-20

G.A. CO.

1/2 20 UNJF 3B THREAD PLUG GAGE .5 .50 .500 GO NO GO P.D.'S = .4675 & .4717 - DW4193RD

G.A. CO.

1/2 27 UNS 3A THREAD RING GAGES .5 GO NO GO P.D.'S = .4759 & .4731 NS-3A TOOL

G.A. CO.

1/2 40 UNS 3B THREAD PLUG GAGE .5 .50 .500 .5000 GO NO GO P.D.'S = .4838 & .4869 - DW35033AW5

G.A. CO.

1/2 8 60 DEG STUB ACME DBL LEAD THREAD RING GAGES .5 GO NO GO = .4458 .4397 - DW16524AW2

G.A. CO.

1/2 8 STUB ACME 2G 2 STR DOUBLE LEAD THREAD RING GAGE .5 GO ONLY P.D. = .4568 - DW16663AW2

G.A. CO.

1/2 8 STUB ACME LEFT HAND DOUBLE LEAD THREAD RING GAGE .5 GO ONLY P.D. = .4568 - DW17191AW2

G.A. CO.

1/4 18 1/2 NPSM BEFORE PLATE SPECIAL PIPE THREAD RING GAGES GO NO GO .4734 .4702

G.A. CO.

1/4 18 1/2 NPSM SPECIAL PIPE THREAD RING GAGES .25 18.5 GO NO GO PDS .4750 .4710