Only 1 left in stock Quick view Remove from Compare Compare Items 9/16 12 US STANDARD THREAD PLUG GAGE .5625 GO ONLY 9/16-12 QUALITY INSPECTION $14.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 1/2 20 NF 3 SPECIAL THREAD PLUG GAGE .5 GO ONLY P.D. = .4705 1/2-20 .50 .500 $19.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 1/4 32 NS 3 THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2297 & .2316 1/4-32 .250 $39.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 1/4 32 NEF THREAD RING GAGE .25 GO ONLY P.D. = .2297 1/4-32 .250 .2500 QUALITY $39.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items JOHN BATH CO. 1/4 32 NEF 3 QUADRUPLE LEAD THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2297 & .2319 $149.99 View Options
Only 2 left in stock Quick view Remove from Compare Compare Items NORTH AMERICAN 1/4 28 UNF STI HELICOIL THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2774 & .2796 $49.99 View Options
Only 2 left in stock Quick view Remove from Compare Compare Items HELI COIL 12 24 UNC 3B STI HELICOIL THREAD PLUG GAGE #12 .216 GO NO GO PD'S= .2430 & .2453 $59.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items THREADWELL 1/4 28 NF 3 THREAD PLUG GAGE .25 .250 GO NO GO P.D.'S = .2268 & .2290 UNF-3 - DT1415BU $14.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items ALAMEDA M8 X .75 6g METRIC THREAD RING GAGES 8 0.75 GO NO GO P.D.'S = 7.491 & 7.391 - DT1425BU $344.99 Add to Cart
Only 1 left in stock Quick view Remove from Compare Compare Items SWANSON 0.72 12 NS THREAD PLUG GAGE .72 GO NO GO P.D.'S = .6900 & .6956 .72-12 QUALITY $64.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items PERFEX 3/8 16 NS 3 THREAD PLUG GAGE .375 GO ONLY P.D. = .3404 3/8-16 .3750 NS-3 QUALITY $14.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items 9/16 20 NF 2 THREAD PLUG GAGE .5625 GO NO GO P.D.'S = .5300 & .5341 9/16-20 NF-2 $59.99 View Options