G.A. CO.

G.A. CO.

1/2 18 NS 3 THREAD RING GAGES .5 GO NO GO P.D.'S = .4639 & .4609 .50-18 NS-3

G.A. CO.

1/2 18 UNS 2A THREAD RING GAGE .5 .50 .500 .5000 GO ONLY P.D. = .4626 CHECK - DW27182AP4

G.A. CO.

1/2 20 NF 2 SPECIAL THREAD RING GAGES .5 GO NO GO P.D.'S = .4665 & .4639 1/2-20

G.A. CO.

1/2 20 UNF 2A PREPLATE THREAD RING GAGES .5 .50 GO NO GO P.D.'S = .4614 & .4571 - DW23224AM3

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

G.A. CO.

1/2 32 UN 2A SET THREAD PLUG GAGE .5 .50 .500 GO NO GO P.D.'S = .4787 & .4752 - DW31432BY4

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