S.T.I. Thread Plug Gages
Details
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 | Size | Description | Go Length | NoGo Length | Pitch Diameter | Each | Handle |
|---|
| STI-#2-56-2B-GO | #2 | #2-56 UNC 2B STI Go Plug-Class X | 16-May | 7/32 | .0976" | $49.00 | $9.00 |
|---|---|---|---|---|---|---|---|
| STI-#2-56-2B-NGO | #2 | #2-56 UNC 2B STI NoGo Plug-Class X | 16-May | 7/32 | .0996" | $49.00 | $9.00 |
| STI-#2-56-2B-D/E | #2 | #2-56 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .0976" - .0996" | $108.00 | $9.00 |
| STI-#2-56-3B-GO | #2 | #2-56 UNC 3B STI Go Plug-Class X | 16-May | 7/32 | .0976" | $49.00 | $9.00 |
| STI-#2-56-3B-NGO | #2 | #2-56 UNC 3B STI NoGo Plug-Class X | 16-May | 7/32 | .0989" | $49.00 | $9.00 |
| STI-#2-56-3B-D/E | #2 | #2-56 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .0976" - .0989" | $108.00 | $9.00 |
| STI-#3-48-2B-GO | #3 | #3-48 UNC 2B STI Go Plug-Class X | 16-May | 7/32 | .1126" | $49.00 | $9.00 |
| STI-#3-48-2B-NGO | #3 | #3-48 UNC 2B STI NoGo Plug-Class X | 16-May | 7/32 | .1148" | $49.00 | $9.00 |
| STI-#3-48-2B-D/E | #3 | #3-48 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .1126" - .1148" | $108.00 | $9.00 |
| STI-#3-48-3B-GO | #3 | #3-48 UNC 3B STI Go Plug-Class X | 16-May | 7/32 | .1126" | $49.00 | $9.00 |
| STI-#3-48-3B-NGO | #3 | #3-48 UNC 3B STI NoGo Plug-Class X | 16-May | 7/32 | .1140" | $49.00 | $9.00 |
| STI-#3-48-3B-D/E | #3 | #3-48 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .1126" - .1140" | $108.00 | $9.00 |
| STI-#3-56-2B-GO | #3 | #3-56 UNF 2B STI Go Plug-Class X | 16-May | 7/32 | .1106" | $49.00 | $9.00 |
| STI-#3-56-2B-NGO | #3 | #3-56 UNF 2B STI NoGo Plug-Class X | 16-May | 7/32 | .1226" | $49.00 | $9.00 |
| STI-#3-56-2B-D/E | #3 | #3-56 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .1106" - .1226" | $108.00 | $9.00 |
| STI-#3-56-3B-GO | #3 | #3-56 UNF 3B STI Go Plug-Class X | 16-May | 7/32 | .1106" | $49.00 | $9.00 |
| STI-#3-56-3B-NGO | #3 | #3-56 UNF 3B STI NoGo Plug-Class X | 16-May | 7/32 | .1119" | $49.00 | $9.00 |
| STI-#3-56-3B-D/E | #3 | #3-56 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .1106" - .1119" | $108.00 | $9.00 |
| STI-#4-40-2B-GO | #4 | #4-40 UNC 2B STI Go Plug-Class X | 16-May | 7/32 | .1283" | $42.00 | $9.00 |
| STI-#4-40-2B-NGO | #4 | #4-40 UNC 2B STI NoGo Plug-Class X | 16-May | 7/32 | .1308" | $42.00 | $9.00 |
| STI-#4-40-2B-D/E | #4 | #4-40 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .1283" - .1308" | $94.00 | $9.00 |
| STI-#4-40-3B-GO | #4 | #4-40 UNC 3B STI Go Plug-Class X | 16-May | 7/32 | .1283" | $42.00 | $9.00 |
| STI-#4-40-3B-NGO | #4 | #4-40 UNC 3B STI NoGo Plug-Class X | 16-May | 7/32 | .1299" | $42.00 | $9.00 |
| STI-#4-48-2B-GO | #4 | #4-48 UNF 2B STI Go Plug-Class X | 16-May | 7/32 | .1256" | $42.00 | $9.00 |
| STI-#4-48-2B-NGO | #4 | #4-48 UNF 2B STI NoGo Plug-Class X | 16-May | 7/32 | .1279" | $42.00 | $9.00 |
| STI-#4-48-3B-D/E | #4 | #4-48 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .1256" - .1271" | $94.00 | $9.00 |
| STI-#4-48-3B-GO | #4 | #4-48 UNF 3B STI Go Plug-Class X | 16-May | 7/32 | .1256" | $42.00 | $9.00 |
| STI-#4-48-3B-NGO | #4 | #4-48 UNF 3B STI NoGo Plug-Class X | 16-May | 7/32 | .1271" | $42.00 | $9.00 |
| STI-#4-40-3B-D/E | #4 | #4-40 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .1283" - .1299" | $94.00 | $9.00 |
| STI-#5-40-2B-GO | #5 | #5-40 UNC 2B STI Go Plug-Class X | 16-May | 7/32 | .1413" | $42.00 | $9.00 |
| STI-#5-40-2B-NGO | #5 | #5-40 UNC 2B STI NoGo Plug-Class X | 16-May | 7/32 | .1438" | $42.00 | $9.00 |
| STI-#5-40-2B-D/E | #5 | #5-40 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .1413" - .1438" | $94.00 | $9.00 |
| STI-#5-40-3B-GO | #5 | #5-40 UNC 3B STI Go Plug-Class X | 16-May | 7/32 | .1413" | $42.00 | $9.00 |
| STI-#5-40-3B-NGO | #5 | #5-40 UNC 3B STI NoGo Plug-Class X | 16-May | 7/32 | .1430" | $42.00 | $9.00 |
| STI-#5-40-3B-D/E | #5 | #5-40 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 16-May | 7/32 | .1413" - .1430" | $94.00 | $9.00 |
| STI-#6-32-2B-GO | #6 | #6-32 UNC 2B STI Go Plug-Class X | 13/32 | 9/32 | .1583" | $42.00 | $9.00 |
| STI-#6-32-2B-NGO | #6 | #6-32 UNC 2B STI NoGo Plug-Class X | 13/32 | 9/32 | .1611" | $42.00 | $9.00 |
| STI-#6-32-2B-D/E | #6 | #6-32 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 13/32 | 9/32 | .1586" - .1611" | $94.00 | $9.00 |
| STI-#6-32-3B-GO | #6 | #6-32 UNC 3B STI Go Plug-Class X | 13/32 | 9/32 | .1583" | $42.00 | $9.00 |
| STI-#6-32-3B-NGO | #6 | #6-32 UNC 3B STI NoGo Plug-Class X | 13/32 | 9/32 | .1601" | $42.00 | $9.00 |
| STI-#6-32-3B-D/E | #6 | #6-32 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 13/32 | 9/32 | .1583" - .1601" | $94.00 | $9.00 |
| STI-#6-40-2B-GO | #6 | #6-40 UNF 2B STI Go Plug-Class X | 13/32 | 9/32 | .1543" | $42.00 | $9.00 |
| STI-#6-40-2B-NGO | #6 | #6-40 UNF 2B STI NoGo Plug-Class X | 13/32 | 9/32 | .1569" | $42.00 | $9.00 |
| STI-#6-40-2B-D/E | #6 | #6-40 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 13/32 | 9/32 | .1543" - .1569" | $94.00 | $9.00 |
| STI-#6-40-3B-GO | #6 | #6-40 UNF 3B STI Go Plug-Class X | 13/32 | 9/32 | .1543" | $42.00 | $9.00 |
| STI-#6-40-3B-NGO | #6 | #6-40 UNF 3B STI NoGo Plug-Class X | 13/32 | 9/32 | .1560" | $42.00 | $9.00 |
| STI-#6-40-3B-D/E | #6 | #6-40 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 13/32 | 9/32 | .1543" - .1560" | $94.00 | $9.00 |
| STI-#8-32-2B-GO | #8 | #8-32 UNC 2B STI Go Plug-Class X | 13/32 | 9/32 | .1843" | $41.00 | $9.00 |
| STI-#8-32-2B-NGO | #8 | #8-32 UNC 2B STI NoGo Plug-Class X | 13/32 | 9/32 | .1872" | $41.00 | $9.00 |
| STI-#8-32-2B-D/E | #8 | #8-32 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 13/32 | 9/32 | .1843" - .1872" | $92.00 | $9.00 |
| STI-#8-32-3B-GO | #8 | #8-32 UNC 3B STI Go Plug-Class X | 13/32 | 9/32 | .1843" | $41.00 | $9.00 |
| STI-#8-32-3B-NGO | #8 | #8-32 UNC 3B STI NoGo Plug-Class X | 13/32 | 9/32 | .1862" | $41.00 | $9.00 |
| STI-#8-32-3B-D/E | #8 | #8-32 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 13/32 | 9/32 | .1843" - .1862" | $92.00 | $9.00 |
| STI-#8-36-2B-GO | #8 | #8-36 UNF 2B STI Go Plug-Class X | 13/32 | 9/32 | .1821" | $41.00 | $9.00 |
| STI-#8-36-2B-NGO | #8 | #8-36 UNF 2B STI NoGo Plug-Class X | 13/32 | 9/32 | .1849" | $41.00 | $9.00 |
| STI-#8-36-2B-D/E | #8 | #8-36 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 13/32 | 9/32 | .1821" - .1849" | $92.00 | $9.00 |
| STI-#8-36-3B-GO | #8 | #8-36 UNF 3B STI Go Plug-Class X | 13/32 | 9/32 | .1821" | $41.00 | $9.00 |
| STI-#8-36-3B-NGO | #8 | #8-36 UNF 3B STI NoGo Plug-Class X | 13/32 | 9/32 | .1840" | $41.00 | $9.00 |
| STI-#8-36-3B-D/E | #8 | #8-36 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 13/32 | 9/32 | .1821" - .1840" | $92.00 | $9.00 |
| STI-#10-24-2B-GO | #10 | #10-24 UNC 2B STI Go Plug-Class X | 2-Jan | 5/16 | .2170" | $41.00 | $9.00 |
| STI-#10-24-2B-NGO | #10 | #10-24 UNC 2B STI NoGo Plug-Class X | 2-Jan | 5/16 | .2203" | $41.00 | $9.00 |
| STI-#10-24-2B-D/E | #10 | #10-24 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 2-Jan | 5/16 | .2170" - .2203" | $92.00 | $9.00 |
| STI-#10-24-3B-GO | #10 | #10-24 UNC 3B STI Go Plug-Class X | 2-Jan | 5/16 | .2170" | $41.00 | $9.00 |
| STI-#10-24-3B-NGO | #10 | #10-24 UNC 3B STI NoGo Plug-Class X | 2-Jan | 5/16 | .2192" | $41.00 | $9.00 |
| STI-#10-24-3B-D/E | #10 | #10-24 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 2-Jan | 5/16 | .2170" - .2192" | $92.00 | $9.00 |
| STI-#10-32-2B-GO | #10 | #10-32 UNF 2B STI Go Plug-Class X | 2-Jan | 5/16 | .2103" | $41.00 | $9.00 |
| STI-#10-32-2B-NGO | #10 | #10-32 UNF 2B STI NoGo Plug-Class X | 2-Jan | 5/16 | .2133" | $41.00 | $9.00 |
| STI-#10-32-2B-D/E | #10 | #10-32 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 2-Jan | 5/16 | .2103" - .2133" | $92.00 | $9.00 |
| STI-#10-32-3B-GO | #10 | #10-32 UNF 3B STI Go Plug-Class X | 2-Jan | 5/16 | .2103" | $41.00 | $9.00 |
| STI-#10-32-3B-NGO | #10 | #10-32 UNF 3B STI NoGo Plug-Class X | 2-Jan | 5/16 | .2123" | $41.00 | $9.00 |
| STI-#10-32-3B-D/E | #10 | #10-32 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 2-Jan | 5/16 | .2103" - .2123" | $92.00 | $9.00 |
| STI-#12-24-2B-GO | #12 | #12-24 UNC 2B STI Go Plug-Class X | 2-Jan | 5/16 | .2430" | $41.00 | $9.00 |
| STI-#12-24-2B-NGO | #12 | #12-24 UNC 2B STI NoGo Plug-Class X | 2-Jan | 5/16 | .2464" | $41.00 | $9.00 |
| STI-#12-24-2B-D/E | #12 | #12-24 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 2-Jan | 5/16 | .2430" - .2464" | $92.00 | $9.00 |
| STI-#12-24-3B-GO | #12 | #12-24 UNC 3B STI Go Plug-Class X | 2-Jan | 5/16 | .2430" | $41.00 | $9.00 |
| STI-#12-24-3B-NGO | #12 | #12-24 UNC 3B STI NoGo Plug-Class X | 2-Jan | 5/16 | .2453" | $41.00 | $9.00 |
| STI-#12-24-3B-D/E | #12 | #12-24 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 2-Jan | 5/16 | .2430" - .2453" | $92.00 | $9.00 |
| STI-1/4-20-2B-GO | 1/4 | 1/4-20 UNC 2B STI Go Plug-Class X | 2-Jan | 5/16 | .2825" | $39.00 | $9.00 |
| STI-1/4-20-2B-NGO | 1/4 | 1/4-20 UNC 2B STI NoGo Plug-Class X | 2-Jan | 5/16 | .2864" | $39.00 | $9.00 |
| STI-1/4-20-2B-D/E | 1/4 | 1/4-20 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 2-Jan | 5/16 | .2825" - .2864" | $88.00 | $9.00 |
| STI-1/4-20-3B-GO | 1/4 | 1/4-20 UNC 3B STI Go Plug-Class X | 2-Jan | 5/16 | .2825" | $39.00 | $9.00 |
| STI-1/4-20-3B-NGO | 1/4 | 1/4-20 UNC 3B STI NoGo Plug-Class X | 2-Jan | 5/16 | .2851" | $39.00 | $9.00 |
| STI-1/4-20-3B-D/E | 1/4 | 1/4-20 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 2-Jan | 5/16 | .2825" - .2851" | $88.00 | $9.00 |
| STI-1/4-28-2B-GO | 1/4 | 1/4-28 UNF 2B STI Go Plug-Class X | 2-Jan | 5/16 | .2732" | $39.00 | $9.00 |
| STI-1/4-28-2B-NGO | 1/4 | 1/4-28 UNF 2B STI NoGo Plug-Class X | 2-Jan | 5/16 | .2765" | $39.00 | $9.00 |
| STI-1/4-28-2B-D/E | 1/4 | 1/4-28 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 2-Jan | 5/16 | .2732" - .2765" | $88.00 | $9.00 |
| STI-1/4-28-3B-GO | 1/4 | 1/4-28 UNF 3B STI Go Plug-Class X | 2-Jan | 5/16 | .2732" | $39.00 | $9.00 |
| STI-1/4-28-3B-NGO | 1/4 | 1/4-28 UNF 3B STI NoGo Plug-Class X | 2-Jan | 5/16 | .2754" | $39.00 | $9.00 |
| STI-1/4-28-3B-D/E | 1/4 | 1/4-28 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 2-Jan | 5/16 | .2732" - .2754" | $88.00 | $9.00 |
| STI-5/16-18-2B-GO | 5/16 | 5/16-18 UNC 2B STI Go Plug-Class X | 4-Mar | 3/8 | .3486" | $39.00 | $9.00 |
| STI-5/16-18-2B-NGO | 5/16 | 5/16-18 UNC 2B STI NoGo Plug-Class X | 4-Mar | 3/8 | .3529" | $39.00 | $9.00 |
| STI-5/16-18-2B-D/E | 5/16 | 5/16-18 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 4-Mar | 3/8 | .3486" - .3529" | $88.00 | $9.00 |
| STI-5/16-18-3B-GO | 5/16 | 5/16-18 UNC 3B STI Go Plug-Class X | 4-Mar | 3/8 | .3486" | $39.00 | $9.00 |
| STI-5/16-18-3B-NGO | 5/16 | 5/16-18 UNC 3B STI NoGo Plug-Class X | 4-Mar | 3/8 | .3515" | $39.00 | $9.00 |
| STI-5/16-18-3B-D/E | 5/16 | 5/16-18 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 4-Mar | 3/8 | .3486" - .3515" | $88.00 | $9.00 |
| STI-5/16-24-2B-GO | 5/16 | 5/16-24 UNF 2B STI Go Plug-Class X | 4-Mar | 3/8 | .3395" | $39.00 | $9.00 |
| STI-5/16-24-2B-NGO | 5/16 | 5/16-24 UNF 2B STI NoGo Plug-Class X | 4-Mar | 3/8 | .3433" | $39.00 | $9.00 |
| STI-5/16-24-2B-D/E | 5/16 | 5/16-24 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 4-Mar | 3/8 | .3395" - 3433" | $88.00 | $9.00 |
| STI-5/16-24-3B-GO | 5/16 | 5/16-24 UNF 3B STI Go Plug-Class X | 4-Mar | 3/8 | .3395" | $39.00 | $9.00 |
| STI-5/16-24-3B-NGO | 5/16 | 5/16-24 UNF 3B STI NoGo Plug-Class X | 4-Mar | 3/8 | .3421" | $39.00 | $9.00 |
| STI-5/16-24-3B-D/E | 5/16 | 5/16-24 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 4-Mar | 3/8 | .3395" - 3421" | $88.00 | $9.00 |
| STI-3/8-16-2B-GO | 3/8 | 3/8-16 UNC 2B STI Go Plug-Class X | 4-Mar | 3/8 | .4156" | $39.00 | $9.00 |
| STI-3/8-16-2B-NGO | 3/8 | 3/8-16 UNC 2B STI NoGo Plug-Class X | 4-Mar | 3/8 | .4203" | $39.00 | $9.00 |
| STI-3/8-16-2B-D/E | 3/8 | 3/8-16 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 4-Mar | 3/8 | .4156" - .4203" | $88.00 | $9.00 |
| STI-3/8-16-3B-GO | 3/8 | 3/8-16 UNC 3B STI Go Plug-Class X | 4-Mar | 3/8 | .4156" | $39.00 | $9.00 |
| STI-3/8-16-3B-NGO | 3/8 | 3/8-16 UNC 3B STI NoGo Plug Class-X | 4-Mar | 3/8 | .4189" | $39.00 | $9.00 |
| STI-3/8-16-3B-D/E | 3/8 | 3/8-16 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 4-Mar | 3/8 | .4156" - .4189" | $88.00 | $9.00 |
| STI-3/8-24-2B-GO | 3/8 | 3/8-24 UNF 2B STI Go Plug-Class X | 4-Mar | 3/8 | .4020" | $39.00 | $9.00 |
| STI-3/8-24-2B-NGO | 3/8 | 3/8-24 UNF 2B STI NoGo Plug-Class X | 4-Mar | 3/8 | .4059" | $39.00 | $9.00 |
| STI-3/8-24-2B-D/E | 3/8 | 3/8-24 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 4-Mar | 3/8 | .4020" - .4059" | $88.00 | $9.00 |
| STI-3/8-24-3B-GO | 3/8 | 3/8-24 UNF 3B STI Go Plug-Class X | 4-Mar | 3/8 | .4020" | $39.00 | $9.00 |
| STI-3/8-24-3B-NGO | 3/8 | 3/8-24 UNF 3B STI NoGo Plug-Class X | 4-Mar | 3/8 | .4047" | $39.00 | $9.00 |
| STI-3/8-24-3B-D/E | 3/8 | 3/8-24 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 4-Mar | 3/8 | .4020" - .4047" | $88.00 | $9.00 |
| STI-7/16-14-2B-GO | 7/16 | 7/16-14 UNC 2B STI Go Plug-Class X | 8-Jul | 1/2 | .4839" | $41.00 | $9.00 |
| STI-7/16-14-2B-NGO | 7/16 | 7/16-14 UNC 2B STI NoGo Plug-Class X | 8-Jul | 1/2 | .4890" | $41.00 | $9.00 |
| STI-7/16-14-2B-D/E | 7/16 | 7/16-14 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .4839" - .4890" | $92.00 | $9.00 |
| STI-7/16-14-3B-GO | 7/16 | 7/16-14 UNC 3B STI Go Plug-Class X | 8-Jul | 1/2 | .4839" | $41.00 | $9.00 |
| STI-7/16-14-3B-NGO | 7/16 | 7/16-14 UNC 3B STI NoGo Plug-Class X | 8-Jul | 1/2 | .4875" | $41.00 | $9.00 |
| STI-7/16-14-3B-D/E | 7/16 | 7/16-14 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .4839" - .4875" | $92.00 | $9.00 |
| STI-7/16-20-2B-GO | 7/16 | 7/16-20 UNF 2B STI Go Plug-Class X | 8-Jul | 1/2 | .4700" | $41.00 | $9.00 |
| STI-7/16-20-2B-NGO | 7/16 | 7/16-20 UNF 2B STI NoGo Plug-Class X | 8-Jul | 1/2 | .4744" | $41.00 | $9.00 |
| STI-7/16-20-2B-D/E | 7/16 | 7/16-20 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .4700" - .4744" | $92.00 | $9.00 |
| STI-7/16-20-3B-GO | 7/16 | 7/16-20 UNF 3B STI Go Plug-Class X | 8-Jul | 1/2 | .4700" | $41.00 | $9.00 |
| STI-7/16-20-3B-NGO | 7/16 | 7/16-20 UNF 3B STI NoGo Plug-Class X | 8-Jul | 1/2 | .4731" | $41.00 | $9.00 |
| STI-7/16-20-3B-D/E | 7/16 | 7/16-20 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .4700" - .4731" | $92.00 | $9.00 |
| STI-1/2-13-2B-GO | 1/2 | 1/2-13 UNC 2B STI Go Plug-Class X | 8-Jul | 1/2 | .5499" | $43.00 | $9.00 |
| STI-1/2-13-2B-NGO | 1/2 | 1/2-13 UNC 2B STI NoGo Plug-Class X | 8-Jul | 1/2 | .5554" | $43.00 | $9.00 |
| STI-1/2-13-2B-D/E | 1/2 | 1/2-13 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .5499" - .5554" | $96.00 | $9.00 |
| STI-1/2-13-3B-GO | 1/2 | 1/2-13 UNC 3B STI Go Plug-Class X | 8-Jul | 1/2 | .5499" | $43.00 | $9.00 |
| STI-1/2-13-3B-NGO | 1/2 | 1/2-13 UNC 3B STI NoGo Plug-Class X | 8-Jul | 1/2 | .5537" | $43.00 | $9.00 |
| STI-1/2-13-3B-D/E | 1/2 | 1/2-13 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .5499" - .5537" | $96.00 | $9.00 |
| STI-1/2-20-2B-GO | 1/2 | 1/2-20 UNF 2B STI Go Plug-Class X | 8-Jul | 1/2 | .5325" | $43.00 | $9.00 |
| STI-1/2-20-2B-NGO | 1/2 | 1/2-20 UNF 2B STI NoGo Plug-Class X | 8-Jul | 1/2 | .5371" | $43.00 | $9.00 |
| STI-1/2-20-2B-D/E | 1/2 | 1/2-20 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .5325" - .5371" | $96.00 | $9.00 |
| STI-1/2-20-3B-GO | 1/2 | 1/2-20 UNF 3B STI Go Plug-Class X | 8-Jul | 1/2 | .5325" | $43.00 | $9.00 |
| STI-1/2-20-3B-NGO | 1/2 | 1/2-20 UNF 3B STI NoGo Plug-Class X | 8-Jul | 1/2 | .5357" | $43.00 | $9.00 |
| STI-1/2-20-3B-D/E | 1/2 | 1/2-20 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .5325" - .5357" | $96.00 | $9.00 |
| STI-9/16-12-2B-GO | 9/16 | 9/16-12 UNC 2B STI Go Plug-Class X | 8-Jul | 1/2 | .6167" | $52.00 | $9.00 |
| STI-9/16-12-2B-NGO | 9/16 | 9/16-12 UNC 2B STI Go Plug-Class X | 8-Jul | 1/2 | .6225" | $52.00 | $9.00 |
| STI-9/16-12-2B-D/E | 9/16 | 9/16-12 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .6167" - .6225" | $114.00 | $9.00 |
| STI-9/16-12-3B-GO | 9/16 | 9/16-12 UNC 3B STI Go Plug-Class X | 8-Jul | 1/2 | .6167" | $52.00 | $9.00 |
| STI-9/16-12-3B-NGO | 9/16 | 9/16-12 UNC 3B STI NoGo Plug-Class X | 8-Jul | 1/2 | .6208" | $52.00 | $9.00 |
| STI-9/16-12-3B-D/E | 9/16 | 9/16-12 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .6167" - .6208" | $114.00 | $9.00 |
| STI-9/16-18-2B-GO | 9/16 | 9/16-18 UNF 2B STI Go Plug-Class X | 8-Jul | 1/2 | .5986" | $52.00 | $9.00 |
| STI-9/16-18-2B-NGO | 9/16 | 9/16-18 UNF 2B STI NoGo Plug-Class X | 8-Jul | 1/2 | .6035" | $52.00 | $9.00 |
| STI-9/16-18-2B-D/E | 9/16 | 9/16-18 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .5986" - .6035" | $114.00 | $9.00 |
| STI-9/16-18-3B-GO | 9/16 | 9/16-18 UNF 3B STI Go Plug-Class X | 8-Jul | 1/2 | .5986" | $52.00 | $9.00 |
| STI-9/16-18-3B-NGO | 9/16 | 9/16-18 UNF 3B STI NoGo Plug-Class X | 8-Jul | 1/2 | .6020" | $52.00 | $9.00 |
| STI-9/16-18-3B-D/E | 9/16 | 9/16-18 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .5986" - .6020" | $114.00 | $9.00 |
| STI-5/8-11-2B-GO | 5/8 | 5/8-11 UNC 2B STI Go Plug-Class X | 8-Jul | 1/2 | .6841" | $52.00 | $9.00 |
| STI-5/8-11-2B-NGO | 5/8 | 5/8-11 UNC 2B STI NoGo Plug-Class X | 8-Jul | 1/2 | .6903" | $52.00 | $9.00 |
| STI-5/8-11-2B-D/E | 5/8 | 5/8-11 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .6841" - .6903" | $114.00 | $9.00 |
| STI-5/8-11-3B-GO | 5/8 | 5/8-11 UNC 3B STI Go Plug-Class X | 8-Jul | 1/2 | .6841" | $52.00 | $9.00 |
| STI-5/8-11-3B-NGO | 5/8 | 5/8-11 UNC 3B STI NoGo Plug-Class X | 8-Jul | 1/2 | .6885" | $52.00 | $9.00 |
| STI-5/8-11-3B-D/E | 5/8 | 5/8-11 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .6841" - .6885" | $114.00 | $9.00 |
| STI-5/8-18-2B-GO | 5/8 | 5/8-18 UNF 2B STI Go Plug-Class X | 8-Jul | 1/2 | .6611" | $52.00 | $9.00 |
| STI-5/8-18-2B-NGO | 5/8 | 5/8-18 UNF 2B STI NoGo Plug-Class X | 8-Jul | 1/2 | .6661" | $52.00 | $9.00 |
| STI-5/8-18-2B-D/E | 5/8 | 5/8-18 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .6611" - .6661" | $114.00 | $9.00 |
| STI-5/8-18-3B-GO | 5/8 | 5/8-18 UNF 3B STI Go Plug-Class X | 8-Jul | 1/2 | .6611" | $52.00 | $9.00 |
| STI-5/8-18-3B-NGO | 5/8 | 5/8-18 UNF 3B STI NoGo Plug-Class X | 8-Jul | 1/2 | .6646" | $52.00 | $9.00 |
| STI-5/8-18-3B-D/E | 5/8 | 5/8-18 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 8-Jul | 1/2 | .6611" - .6646" | $114.00 | $9.00 |
| STI-3/4-10-2B-GO | 3/4 | 3/4-10 UNC 2B STI Go Plug-Class X | 1 | 5/8 | .8149" | $55.00 | $9.00 |
| STI-3/4-10-2B-NGO | 3/4 | 3/4-10 UNC 2B STI NoGo Plug-Class X | 1 | 5/8 | .8216" | $55.00 | $9.00 |
| STI-3/4-10-2B-D/E | 3/4 | 3/4-10 UNC 2B STI Go/NoGo Thread Plug Gage w/hdl | 1 | 5/8 | .8149" - .8216" | $120.00 | $9.00 |
| STI-3/4-10-3B-GO | 3/4 | 3/4-10 UNC 3B STI Go Plug-Class X | 1 | 5/8 | .8149" | $55.00 | $9.00 |
| STI-3/4-10-3B-NGO | 3/4 | 3/4-10 UNC 3B STI NoGo Plug-Class X | 1 | 5/8 | .8196" | $55.00 | $9.00 |
| STI-3/4-10-3B-D/E | 3/4 | 3/4-10 UNC 3B STI Go/NoGo Thread Plug Gage w/hdl | 1 | 5/8 | .8149" - .8196" | $120.00 | $9.00 |
| STI-3/4-16-2B-GO | 3/4 | 3/4-16 UNF 2B STI Go Plug-Class X | 1 | 5/8 | .7906" | $55.00 | $9.00 |
| STI-3/4-16-2B-NGO | 3/4 | 3/4-16 UNF 2B STI NoGo Plug-Class X | 1 | 5/8 | .7961" | $55.00 | $9.00 |
| STI-3/4-16-2B-D/E | 3/4 | 3/4-16 UNF 2B STI Go/NoGo Thread Plug Gage w/hdl | 1 | 5/8 | .7906" - .7961" | $120.00 | $9.00 |
| STI-3/4-16-3B-GO | 3/4 | 3/4-16 UNF 3B STI Go Plug-Class X | 1 | 5/8 | .7906" | $55.00 | $9.00 |
| STI-3/4-16-3B-NGO | 3/4 | 3/4-16 UNF 3B STI NoGo Plug-Class X | 1 | 5/8 | .7945" | $55.00 | $9.00 |
| STI-3/4-16-3B-D/E | 3/4 | 3/4-16 UNF 3B STI Go/NoGo Thread Plug Gage w/hdl | 1 | 5/8 | .7906" - .7945" | $120.00 | $9.00 |
Long Form Calibration - add $14.00 per gage member.
AGD Taperlock and Reversible Styles
Unified Thread Series (UNC-UNF-UNEF)
Standard (ANSI/ASME B1.2) 'X’ Tolerance Class 2 B or 3B
Special gages including preplates, multiple lead, ACME, Buttress, extra length, etc. are priced promptly on request.
UNJ THREADS: NO EXTRA CHARGE
