S.T.I. Thread Plug Gages

Helical coil ( STI ) Plug Gages are used to gage threaded holes prior to insertion of screw thread inserts. Screw thread inserts are used to repair a damaged thread or to provide stronger thread assembly. All Helical Coil ‐ STI thread plug gages are manufactured of oil hardened tool steel to a class X tolerance. Class W tolerance thread plug gages priced on request.

SKU Description Size Go Length NoGo Length Pitch Diameter Each
STI-#2-56-2B-GO #2-56 UNC 2B STI Go Plug-Class X #2 5/16 7/32 .0976"
$55.00
STI-#2-56-2B-NGO #2-56 UNC 2B STI NoGo Plug-Class X #2 5/16 7/32 .0996"
$55.00
STI-#2-56-2B-D/E #2-56 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #2 5/16 7/32 .0976" - .0996"
$122.00
STI-#2-56-3B-GO #2-56 UNC 3B STI Go Plug-Class X #2 5/16 7/32 .0976"
$55.00
STI-#2-56-3B-NGO #2-56 UNC 3B STI NoGo Plug-Class X #2 5/16 7/32 .0989"
$55.00
STI-#2-56-3B-D/E #2-56 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #2 5/16 7/32 .0976" - .0989"
$122.00
STI-#3-48-2B-GO #3-48 UNC 2B STI Go Plug-Class X #3 5/16 7/32 .1126"
$53.00
STI-#3-48-2B-NGO #3-48 UNC 2B STI NoGo Plug-Class X #3 5/16 7/32 .1148"
$53.00
STI-#3-48-2B-D/E #3-48 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #3 5/16 7/32 .1126" - .1148"
$118.00
STI-#3-48-3B-GO #3-48 UNC 3B STI Go Plug-Class X #3 5/16 7/32 .1126"
$53.00
STI-#3-48-3B-NGO #3-48 UNC 3B STI NoGo Plug-Class X #3 5/16 7/32 .1140"
$53.00
STI-#3-48-3B-D/E #3-48 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #3 5/16 7/32 .1126" - .1140"
$118.00
STI-#3-56-2B-GO #3-56 UNF 2B STI Go Plug-Class X #3 5/16 7/32 .1106"
$52.00
STI-#3-56-2B-NGO #3-56 UNF 2B STI NoGo Plug-Class X #3 5/16 7/32 .1226"
$52.00
STI-#3-56-2B-D/E #3-56 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #3 5/16 7/32 .1106" - .1226"
$116.00
STI-#3-56-3B-GO #3-56 UNF 3B STI Go Plug-Class X #3 5/16 7/32 .1106"
$52.00
STI-#3-56-3B-NGO #3-56 UNF 3B STI NoGo Plug-Class X #3 5/16 7/32 .1119"
$52.00
STI-#3-56-3B-D/E #3-56 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #3 5/16 7/32 .1106" - .1119"
$116.00
STI-#4-40-2B-GO #4-40 UNC 2B STI Go Plug-Class X #4 5/16 7/32 .1283"
$46.00
STI-#4-40-2B-NGO #4-40 UNC 2B STI NoGo Plug-Class X #4 5/16 7/32 .1308"
$46.00
STI-#4-40-2B-D/E #4-40 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #4 5/16 7/32 .1283" - .1308"
$104.00
STI-#4-40-3B-GO #4-40 UNC 3B STI Go Plug-Class X #4 5/16 7/32 .1283"
$46.00
STI-#4-40-3B-NGO #4-40 UNC 3B STI NoGo Plug-Class X #4 5/16 7/32 .1299"
$46.00
STI-#4-40-3B-D/E #4-40 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #4 5/16 7/32 .1283" - .1299"
$104.00
STI-#4-48-2B-GO #4-48 UNF 2B STI Go Plug-Class X #4 5/16 7/32 .1256"
$46.00
STI-#4-48-2B-NGO #4-48 UNF 2B STI NoGo Plug-Class X #4 5/16 7/32 .1279"
$46.00
STI-#4-48-2B-D/E #4-48 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #4 48 7/32 .1256"-.1279"
$104.00
STI-#4-48-3B-GO #4-48 UNF 3B STI Go Plug-Class X #4 5/16 7/32 .1256"
$46.00
STI-#4-48-3B-NGO #4-48 UNF 3B STI NoGo Plug-Class X #4 5/16 7/32 .1271"
$46.00
STI-#4-48-3B-D/E #4-48 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #4 5/16 7/32 .1256" - .1271"
$104.00
STI-#5-40-2B-GO #5-40 UNC 2B STI Go Plug-Class X #5 5/16 7/32 .1413"
$48.00
STI-#5-40-2B-NGO #5-40 UNC 2B STI NoGo Plug-Class X #5 5/16 7/32 .1438"
$48.00
STI-#5-40-2B-D/E #5-40 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #5 5/16 7/32 .1413" - .1438"
$108.00
STI-#5-40-3B-GO #5-40 UNC 3B STI Go Plug-Class X #5 5/16 7/32 .1413"
$48.00
STI-#5-40-3B-NGO #5-40 UNC 3B STI NoGo Plug-Class X #5 5/16 7/32 .1430"
$48.00
STI-#5-40-3B-D/E #5-40 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #5 5/16 7/32 .1413" - .1430"
$108.00
STI-#6-32-2B-GO #6-32 UNC 2B STI Go Plug-Class X #6 13/32 9/32 .1583"
$47.00
STI-#6-32-2B-NGO #6-32 UNC 2B STI NoGo Plug-Class X #6 13/32 9/32 .1611"
$47.00
STI-#6-32-2B-D/E #6-32 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #6 13/32 9/32 .1586" - .1611"
$106.00
STI-#6-32-3B-GO #6-32 UNC 3B STI Go Plug-Class X #6 13/32 9/32 .1583"
$47.00
STI-#6-32-3B-NGO #6-32 UNC 3B STI NoGo Plug-Class X #6 13/32 9/32 .1601"
$47.00
STI-#6-32-3B-D/E #6-32 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #6 13/32 9/32 .1583" - .1601"
$106.00
STI-#6-40-2B-GO #6-40 UNF 2B STI Go Plug-Class X #6 13/32 9/32 .1543"
$47.00
STI-#6-40-2B-NGO #6-40 UNF 2B STI NoGo Plug-Class X #6 13/32 9/32 .1569"
$47.00
STI-#6-40-2B-D/E #6-40 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #6 13/32 9/32 .1543" - .1569"
$106.00
STI-#6-40-3B-GO #6-40 UNF 3B STI Go Plug-Class X #6 13/32 9/32 .1543"
$47.00
STI-#6-40-3B-NGO #6-40 UNF 3B STI NoGo Plug-Class X #6 13/32 9/32 .1560"
$47.00
STI-#6-40-3B-D/E #6-40 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #6 13/32 9/32 .1543" - .1560"
$106.00
STI-#8-32-2B-GO #8-32 UNC 2B STI Go Plug-Class X #8 13/32 9/32 .1843"
$47.00
STI-#8-32-2B-NGO #8-32 UNC 2B STI NoGo Plug-Class X #8 13/32 9/32 .1872"
$47.00
STI-#8-32-2B-D/E #8-32 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #8 13/32 9/32 .1843" - .1872"
$106.00
STI-#8-32-3B-GO #8-32 UNC 3B STI Go Plug-Class X #8 13/32 9/32 .1843"
$47.00
STI-#8-32-3B-NGO #8-32 UNC 3B STI NoGo Plug-Class X #8 13/32 9/32 .1862"
$47.00
STI-#8-32-3B-D/E #8-32 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #8 13/32 9/32 .1843" - .1862"
$106.00
STI-#8-36-2B-GO #8-36 UNF 2B STI Go Plug-Class X #8 13/32 9/32 .1821"
$47.00
STI-#8-36-2B-NGO #8-36 UNF 2B STI NoGo Plug-Class X #8 13/32 9/32 .1849"
$47.00
STI-#8-36-2B-D/E #8-36 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #8 13/32 9/32 .1821" - .1849"
$106.00
STI-#8-36-3B-GO #8-36 UNF 3B STI Go Plug-Class X #8 13/32 9/32 .1821"
$47.00
STI-#8-36-3B-NGO #8-36 UNF 3B STI NoGo Plug-Class X #8 13/32 9/32 .1840"
$47.00
STI-#8-36-3B-D/E #8-36 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #8 13/32 9/32 .1821" - .1840"
$106.00
STI-#10-24-2B-GO #10-24 UNC 2B STI Go Plug-Class X #10 1/2 5/16 .2170"
$47.00
STI-#10-24-2B-NGO #10-24 UNC 2B STI NoGo Plug-Class X #10 1/2 5/16 .2203"
$47.00
STI-#10-24-2B-D/E #10-24 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #10 1/2 5/16 .2170" - .2203"
$106.00
STI-#10-24-3B-GO #10-24 UNC 3B STI Go Plug-Class X #10 1/2 5/16 .2170"
$47.00
STI-#10-24-3B-NGO #10-24 UNC 3B STI NoGo Plug-Class X #10 1/2 5/16 .2192"
$47.00
STI-#10-24-3B-D/E #10-24 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #10 1/2 5/16 .2170" - .2192"
$106.00
STI-#10-32-2B-GO #10-32 UNF 2B STI Go Plug-Class X #10 1/2 5/16 .2103"
$47.00
STI-#10-32-2B-NGO #10-32 UNF 2B STI NoGo Plug-Class X #10 1/2 5/16 .2133"
$47.00
STI-#10-32-2B-D/E #10-32 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #10 1/2 5/16 .2103" - .2133"
$106.00
STI-#10-32-3B-GO #10-32 UNF 3B STI Go Plug-Class X #10 1/2 5/16 .2103"
$47.00
STI-#10-32-3B-NGO #10-32 UNF 3B STI NoGo Plug-Class X #10 1/2 5/16 .2123"
$47.00
STI-#10-32-3B-D/E #10-32 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #10 1/2 5/16 .2103" - .2123"
$106.00
STI-#12-24-2B-GO #12-24 UNC 2B STI Go Plug-Class X #12 1/2 5/16 .2430"
$47.00
STI-#12-24-2B-NGO #12-24 UNC 2B STI NoGo Plug-Class X #12 1/2 5/16 .2464"
$47.00
STI-#12-24-2B-D/E #12-24 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #12 1/2 5/16 .2430" - .2464"
$106.00
STI-#12-24-3B-GO #12-24 UNC 3B STI Go Plug-Class X #12 1/2 5/16 .2430"
$47.00
STI-#12-24-3B-NGO #12-24 UNC 3B STI NoGo Plug-Class X #12 1/2 5/16 .2453"
$47.00
STI-#12-24-3B-D/E #12-24 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #12 1/2 5/16 .2430" - .2453"
$106.00
STI-1/4-20-2B-GO 1/4-20 UNC 2B STI Go Plug-Class X 1/4 1/2 5/16 .2825"
$44.00
STI-1/4-20-2B-NGO 1/4-20 UNC 2B STI NoGo Plug-Class X 1/4 1/2 5/16 .2864"
$44.00
STI-1/4-20-2B-D/E 1/4-20 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 1/4 1/2 5/16 .2825" - .2864"
$100.00
STI-1/4-20-3B-GO 1/4-20 UNC 3B STI Go Plug-Class X 1/4 1/2 5/16 .2825"
$44.00
STI-1/4-20-3B-NGO 1/4-20 UNC 3B STI NoGo Plug-Class X 1/4 1/2 5/16 .2851"
$44.00
STI-1/4-20-3B-D/E 1/4-20 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 1/4 1/2 5/16 .2825" - .2851"
$100.00
STI-1/4-28-2B-GO 1/4-28 UNF 2B STI Go Plug-Class X 1/4 1/2 5/16 .2732"
$44.00
STI-1/4-28-2B-NGO 1/4-28 UNF 2B STI NoGo Plug-Class X 1/4 1/2 5/16 .2765"
$44.00
STI-1/4-28-2B-D/E 1/4-28 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 1/4 1/2 5/16 .2732" - .2765"
$100.00
STI-1/4-28-3B-GO 1/4-28 UNF 3B STI Go Plug-Class X 1/4 1/2 5/16 .2732"
$44.00
STI-1/4-28-3B-NGO 1/4-28 UNF 3B STI NoGo Plug-Class X 1/4 1/2 5/16 .2754"
$44.00
STI-1/4-28-3B-D/E 1/4-28 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 1/4 1/2 5/16 .2732" - .2754"
$100.00
STI-5/16-18-2B-GO 5/16-18 UNC 2B STI Go Plug-Class X 5/16 3/4 3/8 .3486"
$44.00
STI-5/16-18-2B-NGO 5/16-18 UNC 2B STI NoGo Plug-Class X 5/16 3/4 3/8 .3529"
$44.00
STI-5/16-18-2B-D/E 5/16-18 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 5/16 3/4 3/8 .3486" - .3529"
$100.00
STI-5/16-18-3B-GO 5/16-18 UNC 3B STI Go Plug-Class X 5/16 3/4 3/8 .3486"
$44.00
STI-5/16-18-3B-NGO 5/16-18 UNC 3B STI NoGo Plug-Class X 5/16 3/4 3/8 .3515"
$44.00
STI-5/16-18-3B-D/E 5/16-18 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 5/16 3/4 3/8 .3486" - .3515"
$100.00
STI-5/16-24-2B-GO 5/16-24 UNF 2B STI Go Plug-Class X 5/16 3/4 3/8 .3395"
$44.00
STI-5/16-24-2B-NGO 5/16-24 UNF 2B STI NoGo Plug-Class X 5/16 3/4 3/8 .3433"
$44.00
STI-5/16-24-2B-D/E 5/16-24 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 5/16 3/4 3/8 .3395" - 3433"
$100.00
STI-5/16-24-3B-GO 5/16-24 UNF 3B STI Go Plug-Class X 5/16 3/4 3/8 .3395"
$44.00
STI-5/16-24-3B-NGO 5/16-24 UNF 3B STI NoGo Plug-Class X 5/16 3/4 3/8 .3421"
$44.00
STI-5/16-24-3B-D/E 5/16-24 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 5/16 3/4 3/8 .3395" - 3421"
$100.00
STI-3/8-16-2B-GO 3/8-16 UNC 2B STI Go Plug-Class X 3/8 3/4 3/8 .4156"
$46.00
STI-3/8-16-2B-NGO 3/8-16 UNC 2B STI NoGo Plug-Class X 3/8 3/4 3/8 .4203"
$46.00
STI-3/8-16-2B-D/E 3/8-16 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 3/8 3/4 3/8 .4156" - .4203"
$104.00
STI-3/8-16-3B-GO 3/8-16 UNC 3B STI Go Plug-Class X 3/8 3/4 3/8 .4156"
$46.00
STI-3/8-16-3B-NGO 3/8-16 UNC 3B STI NoGo Plug Class-X 3/8 3/4 3/8 .4189"
$46.00
STI-3/8-16-3B-D/E 3/8-16 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 3/8 3/4 3/8 .4156" - .4189"
$104.00
STI-3/8-24-2B-GO 3/8-24 UNF 2B STI Go Plug-Class X 3/8 3/4 3/8 .4020"
$46.00
STI-3/8-24-2B-NGO 3/8-24 UNF 2B STI NoGo Plug-Class X 3/8 3/4 3/8 .4059"
$46.00
STI-3/8-24-2B-D/E 3/8-24 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 3/8 3/4 3/8 .4020" - .4059"
$104.00
STI-3/8-24-3B-GO 3/8-24 UNF 3B STI Go Plug-Class X 3/8 3/4 3/8 .4020"
$46.00
STI-3/8-24-3B-NGO 3/8-24 UNF 3B STI NoGo Plug-Class X 3/8 3/4 3/8 .4047"
$46.00
STI-3/8-24-3B-D/E 3/8-24 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 3/8 3/4 3/8 .4020" - .4047"
$104.00
STI-7/16-14-2B-GO 7/16-14 UNC 2B STI Go Plug-Class X 7/16 7/8 1/2 .4839"
$48.00
STI-7/16-14-2B-NGO 7/16-14 UNC 2B STI NoGo Plug-Class X 7/16 7/8 1/2 .4890"
$48.00
STI-7/16-14-2B-D/E 7/16-14 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 7/16 7/8 1/2 .4839" - .4890"
$108.00
STI-7/16-14-3B-GO 7/16-14 UNC 3B STI Go Plug-Class X 7/16 7/8 1/2 .4839"
$48.00
STI-7/16-14-3B-NGO 7/16-14 UNC 3B STI NoGo Plug-Class X 7/16 7/8 1/2 .4875"
$48.00
STI-7/16-14-3B-D/E 7/16-14 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 7/16 7/8 1/2 .4839" - .4875"
$108.00
STI-7/16-20-2B-GO 7/16-20 UNF 2B STI Go Plug-Class X 7/16 7/8 1/2 .4700"
$48.00
STI-7/16-20-2B-NGO 7/16-20 UNF 2B STI NoGo Plug-Class X 7/16 7/8 1/2 .4744"
$48.00
STI-7/16-20-2B-D/E 7/16-20 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 7/16 7/8 1/2 .4700" - .4744"
$108.00
STI-7/16-20-3B-GO 7/16-20 UNF 3B STI Go Plug-Class X 7/16 7/8 1/2 .4700"
$48.00
STI-7/16-20-3B-NGO 7/16-20 UNF 3B STI NoGo Plug-Class X 7/16 7/8 1/2 .4731"
$48.00
STI-7/16-20-3B-D/E 7/16-20 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 7/16 7/8 1/2 .4700" - .4731"
$108.00
STI-1/2-13-2B-GO 1/2-13 UNC 2B STI Go Plug-Class X 1/2 7/8 1/2 .5499"
$51.00
STI-1/2-13-2B-NGO 1/2-13 UNC 2B STI NoGo Plug-Class X 1/2 7/8 1/2 .5554"
$51.00
STI-1/2-13-2B-D/E 1/2-13 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 1/2 7/8 1/2 .5499" - .5554"
$114.00
STI-1/2-13-3B-GO 1/2-13 UNC 3B STI Go Plug-Class X 1/2 7/8 1/2 .5499"
$51.00
STI-1/2-13-3B-NGO 1/2-13 UNC 3B STI NoGo Plug-Class X 1/2 7/8 1/2 .5537"
$51.00
STI-1/2-13-3B-D/E 1/2-13 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 1/2 7/8 1/2 .5499" - .5537"
$114.00
STI-1/2-20-2B-GO 1/2-20 UNF 2B STI Go Plug-Class X 1/2 7/8 1/2 .5325"
$51.00
STI-1/2-20-2B-NGO 1/2-20 UNF 2B STI NoGo Plug-Class X 1/2 7/8 1/2 .5371"
$51.00
STI-1/2-20-2B-D/E 1/2-20 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 1/2 7/8 1/2 .5325" - .5371"
$114.00
STI-1/2-20-3B-GO 1/2-20 UNF 3B STI Go Plug-Class X 1/2 7/8 1/2 .5325"
$51.00
STI-1/2-20-3B-NGO 1/2-20 UNF 3B STI NoGo Plug-Class X 1/2 7/8 1/2 .5357"
$51.00
STI-1/2-20-3B-D/E 1/2-20 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 1/2 7/8 1/2 .5325" - .5357"
$114.00
STI-9/16-12-2B-GO 9/16-12 UNC 2B STI Go Plug-Class X 9/16 7/8 1/2 .6167"
$58.00
STI-9/16-12-2B-NGO 9/16-12 UNC 2B STI NoGo Plug-Class X 9/16 7/8 1/2 .6225"
$58.00
STI-9/16-12-2B-D/E 9/16-12 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 9/16 7/8 1/2 .6167" - .6225"
$128.00
STI-9/16-12-3B-GO 9/16-12 UNC 3B STI Go Plug-Class X 9/16 7/8 1/2 .6167"
$58.00
STI-9/16-12-3B-NGO 9/16-12 UNC 3B STI NoGo Plug-Class X 9/16 7/8 1/2 .6208"
$58.00
STI-9/16-12-3B-D/E 9/16-12 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 9/16 7/8 1/2 .6167" - .6208"
$128.00
STI-9/16-18-2B-GO 9/16-18 UNF 2B STI Go Plug-Class X 9/16 7/8 1/2 .5986"
$58.00
STI-9/16-18-2B-NGO 9/16-18 UNF 2B STI NoGo Plug-Class X 9/16 7/8 1/2 .6035"
$58.00
STI-9/16-18-2B-D/E 9/16-18 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 9/16 7/8 1/2 .5986" - .6035"
$128.00
STI-9/16-18-3B-GO 9/16-18 UNF 3B STI Go Plug-Class X 9/16 7/8 1/2 .5986"
$58.00
STI-9/16-18-3B-NGO 9/16-18 UNF 3B STI NoGo Plug-Class X 9/16 7/8 1/2 .6020"
$58.00
STI-9/16-18-3B-D/E 9/16-18 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 9/16 7/8 1/2 .5986" - .6020"
$128.00
STI-5/8-11-2B-GO 5/8-11 UNC 2B STI Go Plug-Class X 5/8 7/8 1/2 .6841"
$60.00
STI-5/8-11-2B-NGO 5/8-11 UNC 2B STI NoGo Plug-Class X 5/8 7/8 1/2 .6903"
$60.00
STI-5/8-11-2B-D/E 5/8-11 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 5/8 7/8 1/2 .6841" - .6903"
$132.00
STI-5/8-11-3B-GO 5/8-11 UNC 3B STI Go Plug-Class X 5/8 7/8 1/2 .6841"
$60.00
STI-5/8-11-3B-NGO 5/8-11 UNC 3B STI NoGo Plug-Class X 5/8 7/8 1/2 .6885"
$60.00
STI-5/8-11-3B-D/E 5/8-11 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 5/8 7/8 1/2 .6841" - .6885"
$132.00
STI-5/8-18-2B-GO 5/8-18 UNF 2B STI Go Plug-Class X 5/8 7/8 1/2 .6611"
$59.00
STI-5/8-18-2B-NGO 5/8-18 UNF 2B STI NoGo Plug-Class X 5/8 7/8 1/2 .6661"
$59.00
STI-5/8-18-2B-D/E 5/8-18 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 5/8 7/8 1/2 .6611" - .6661"
$130.00
STI-5/8-18-3B-GO 5/8-18 UNF 3B STI Go Plug-Class X 5/8 7/8 1/2 .6611"
$59.00
STI-5/8-18-3B-NGO 5/8-18 UNF 3B STI NoGo Plug-Class X 5/8 7/8 1/2 .6646"
$59.00
STI-5/8-18-3B-D/E 5/8-18 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 5/8 7/8 1/2 .6611" - .6646"
$130.00
STI-3/4-10-2B-GO 3/4-10 UNC 2B STI Go Plug-Class X 3/4 1 5/8 .8149"
$66.00
STI-3/4-10-2B-NGO 3/4-10 UNC 2B STI NoGo Plug-Class X 3/4 1 5/8 .8216"
$66.00
STI-3/4-10-2B-D/E 3/4-10 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 3/4 1 5/8 .8149" - .8216"
$144.00
STI-3/4-10-3B-GO 3/4-10 UNC 3B STI Go Plug-Class X 3/4 1 5/8 .8149"
$66.00
STI-3/4-10-3B-NGO 3/4-10 UNC 3B STI NoGo Plug-Class X 3/4 1 5/8 .8196"
$66.00
STI-3/4-10-3B-D/E 3/4-10 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 3/4 1 5/8 .8149" - .8196"
$144.00
STI-3/4-16-2B-GO 3/4-16 UNF 2B STI Go Plug-Class X 3/4 1 5/8 .7906"
$66.00
STI-3/4-16-2B-NGO 3/4-16 UNF 2B STI NoGo Plug-Class X 3/4 1 5/8 .7961"
$66.00
STI-3/4-16-2B-D/E 3/4-16 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X 3/4 1 5/8 .7906" - .7961"
$144.00
STI-3/4-16-3B-GO 3/4-16 UNF 3B STI Go Plug-Class X 3/4 1 5/8 .7906"
$66.00
STI-3/4-16-3B-NGO 3/4-16 UNF 3B STI NoGo Plug-Class X 3/4 1 5/8 .7945"
$66.00
STI-3/4-16-3B-D/E 3/4-16 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X 3/4 1 5/8 .7906" - .7945"
$144.00
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