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 #25/167/32.0976"
$81.00
STI-#2-56-2B-NGO #2-56 UNC 2B STI NoGo Plug-Class X #25/167/32.0996"
$81.00
STI-#2-56-2B-D/E #2-56 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #25/167/32.0976" - .0996"
$177.00
STI-#2-56-3B-GO #2-56 UNC 3B STI Go Plug-Class X #25/167/32.0976"
$81.00
STI-#2-56-3B-NGO #2-56 UNC 3B STI NoGo Plug-Class X #25/167/32.0989"
$81.00
STI-#2-56-3B-D/E #2-56 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #25/167/32.0976" - .0989"
$177.00
STI-#3-48-2B-GO #3-48 UNC 2B STI Go Plug-Class X #35/167/32.1126"
$78.00
STI-#3-48-2B-NGO #3-48 UNC 2B STI NoGo Plug-Class X #35/167/32.1148"
$78.00
STI-#3-48-2B-D/E #3-48 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #35/167/32.1126" - .1148"
$171.00
STI-#3-48-3B-GO #3-48 UNC 3B STI Go Plug-Class X #35/167/32.1126"
$78.00
STI-#3-48-3B-NGO #3-48 UNC 3B STI NoGo Plug-Class X #35/167/32.1140"
$78.00
STI-#3-48-3B-D/E #3-48 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #35/167/32.1126" - .1140"
$171.00
STI-#3-56-2B-GO #3-56 UNF 2B STI Go Plug-Class X #35/167/32.1106"
$77.00
STI-#3-56-2B-NGO #3-56 UNF 2B STI NoGo Plug-Class X #35/167/32.1226"
$77.00
STI-#3-56-2B-D/E #3-56 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #35/167/32.1106" - .1226"
$168.00
STI-#3-56-3B-GO #3-56 UNF 3B STI Go Plug-Class X #35/167/32.1106"
$77.00
STI-#3-56-3B-NGO #3-56 UNF 3B STI NoGo Plug-Class X #35/167/32.1119"
$77.00
STI-#3-56-3B-D/E #3-56 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #35/167/32.1106" - .1119"
$168.00
STI-#4-40-2B-GO #4-40 UNC 2B STI Go Plug-Class X #45/167/32.1283"
$69.00
STI-#4-40-2B-NGO #4-40 UNC 2B STI NoGo Plug-Class X #45/167/32.1308"
$69.00
STI-#4-40-2B-D/E #4-40 UNC 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #45/167/32.1283" - .1308"
$152.00
STI-#4-40-3B-GO #4-40 UNC 3B STI Go Plug-Class X #45/167/32.1283"
$69.00
STI-#4-40-3B-NGO #4-40 UNC 3B STI NoGo Plug-Class X #45/167/32.1299"
$69.00
STI-#4-40-3B-D/E #4-40 UNC 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #45/167/32.1283" - .1299"
$152.00
STI-#4-48-2B-GO #4-48 UNF 2B STI Go Plug-Class X #45/167/32.1256"
$69.00
STI-#4-48-2B-NGO #4-48 UNF 2B STI NoGo Plug-Class X #45/167/32.1279"
$69.00
STI-#4-48-2B-D/E #4-48 UNF 2B STI Go/NoGo Thread Plug Gage w/handle-Class X #4487/32.1256"-.1279"
$152.00
STI-#4-48-3B-GO #4-48 UNF 3B STI Go Plug-Class X #45/167/32.1256"
$69.00
STI-#4-48-3B-NGO #4-48 UNF 3B STI NoGo Plug-Class X #45/167/32.1271"
$69.00
STI-#4-48-3B-D/E #4-48 UNF 3B STI Go/NoGo Thread Plug Gage w/handle-Class X #45/167/32.1256" - .1271"
$152.00
Set Descending Direction
Page
per page

Additional Information

Chrome Plated

S.T.I Go NoGo

By clicking "I Agree", you agree to our Terms and that you have read our Data Use Policy.