Only 1 left in stock Quick view Remove from Compare Compare Items PD 1/2 20 UNJF 3A BEFORE PLATE THREAD RING GAGE .5 NO GO ONLY P.D. = .4637 .50 .500 - DW9668BU $74.99 View Options
Only 2 left in stock Quick view Remove from Compare Compare Items G.A. CO. 1/2 20 UNF SPECIAL THREAD RING GAGES .5 GO NO GO P.D.'S = .4710 & .4685 1/2-20 $74.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items G.A. CO. 1/2 20 NF 2 SPECIAL THREAD RING GAGES .5 GO NO GO P.D.'S = .4665 & .4639 1/2-20 $74.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items HEMCO NEW CERTIFIED 1/2 20 UNF 2A THREAD RING GAGE .5 NO GO ONLY P.D. = .4619 QUALITY $89.99 Add to Cart
Only 2 left in stock Quick view Remove from Compare Compare Items G.A. CO. 1/2 20 UNJF 3A SPECIAL THREAD RING GAGE .5 GO ONLY P.D. = .4663 INSPECTION TOOLS $67.99 View Options