Only 1 left in stock Quick view Remove from Compare Compare Items 5/16 18 UNC 1B THREAD PLUG GAGE .3125 NO GO ONLY P.D. = .2843 NC-1B INSPECTION $19.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 5/16 18 UNC SPECIAL THREAD PLUG GAGE .3125 GO ONLY P.D. = .2780 5/16-18 OVERSIZE $14.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 5/16 40 THREAD PLUG GAGE .3125 GO ONLY P.D. = .2963 5/16-40 QUALITY INSPECTION $29.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 5/16 24 UNF 3B MODIFIED THREAD PLUG GAGE .3125 GO NO GO P.D.'S = .2854 & .2897 $29.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 5/16 40 THREAD PLUG GAGE .3125 GO NO GO P.D.'S = .2963 & .2987 5/16-40 QUALITY $39.99 View Options
Only 3 left in stock Quick view Remove from Compare Compare Items PENNOYER DODGE 5/16 18 UNC 3B THREAD PLUG GAGE .3125 GO NO GO P.D.'S = .2764 & .2803 NC-3B - DW3016RDRL $18.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 5/16 18 UNC 2B TiN COATED THREAD PLUG GAGE .3125 GO ONLY P.D. = .2764 NC-2B $19.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 5/16 18 CL 4 THREAD PLUG GAGE .3125 GO NO GO P.D.'S = .2779 & .2764 CL-4 QUALITY $29.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 5/16 24 UNF 1B THREAD PLUG GAGE .3125 NO GO ONLY P.D. = .2925 QUALITY CHECK $24.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 5/16 24 UNF 3B EXTRA LONG THREAD PLUG GAGE .3125 GO NO GO P.D.'S = .2854 & .2890 $24.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items H.W. CO. 5/16 20 UNS 2B THREAD PLUG GAGE .3125 GO ONLY P.D. = .2800 TAPERLOCK NS-2B TOOL $19.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items GTD 5/16 24 NF W ANGLE CHECK THREAD PLUG GAGE .3125 GO ONLY P.D. = .2854 INSPECTION $34.99 View Options
