Only 1 left in stock Quick view Remove from Compare Compare Items DOALL 1/2 12 UNC 3A THREAD RING GAGES .5 GO NO GO P.D.'S = .4459 & .4421 NC-3A TOOL $119.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items G.A. CO. 1/2 27 UNS 3A THREAD RING GAGES .5 GO NO GO P.D.'S = .4759 & .4731 NS-3A TOOL $199.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 1/2 18 N 2 THREAD RING GAGES .5 GO NO GO P.D.'S = .4692 & .4598 UN-2 QUALITY $159.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items SWANSON 1/2 6.5 NA 2G ACME MOD. THREAD RING GAGE .5 6 1/2 .500 GO ONLY P.D. = .4443 $149.99 Add to Cart
Only 1 left in stock Quick view Remove from Compare Compare Items PRATT & WHITNEY 1/2 48 NS 2 THREAD RING GAGES .5 GO NO GO P.D.'S = .4865 & .4831 UNS-2 TOOL $179.99 Add to Cart
Only 1 left in stock Quick view Remove from Compare Compare Items GTD 1/2 27 NS THREAD RING GAGE .5 GO ONLY P.D. = .4759 UNS 1/2"-27 TOOL QUALITY $54.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items PRATT & WHITNEY 1/2 22 NS THREAD RING GAGE .5 GO ONLY P.D. = .4705 UNS 1/2"-22 QUALITY TOOL $34.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items GTD 1/2 16 NS THREAD RING GAGE .5 GO ONLY P.D. = .4594 1/2"-16 TOOL UNS 2 3 $79.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 1/2 20 UNF 2A SPECIAL THREAD RING GAGES .5 GO NO GO P.D.'S= .4675 & .4639 .50-20 $119.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 1/2 12 UNC 3A THREAD RING GAGES .5 GO NO GO P.D.'S = .4459 & .4421 1/2-12 .50 $119.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items SWANSON 1/2 20 UNF 1A THREAD RING GAGES .5 GO NO GO P.D.'S= .4662 & .4598 1/2-20 QUALITY $159.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 1/2 24 NS 3 THREAD RING GAGES .5 GO NO GO P.D.'S = .4729 & .4696 1/2-24 NS-3 $74.99 View Options