Thread Plug Gages - Reversible Design - Chrome
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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-7/16-20-2B-GO | 7/16-20 UNF 2B STI Go Plug-Class X | 7/16 | 7/8 | 1/2 | .4700" |
$79.00
|
| STI-7/16-20-2B-NGO | 7/16-20 UNF 2B STI NoGo Plug-Class X | 7/16 | 7/8 | 1/2 | .4744" |
$79.00
|
| 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" |
$172.00
|
| STI-7/16-20-3B-GO | 7/16-20 UNF 3B STI Go Plug-Class X | 7/16 | 7/8 | 1/2 | .4700" |
$79.00
|
| STI-7/16-20-3B-NGO | 7/16-20 UNF 3B STI NoGo Plug-Class X | 7/16 | 7/8 | 1/2 | .4731" |
$79.00
|
| 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" |
$172.00
|
| STI-1/2-13-2B-GO | 1/2-13 UNC 2B STI Go Plug-Class X | 1/2 | 7/8 | 1/2 | .5499" |
$82.00
|
| STI-1/2-13-2B-NGO | 1/2-13 UNC 2B STI NoGo Plug-Class X | 1/2 | 7/8 | 1/2 | .5554" |
$82.00
|
| 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" |
$178.00
|
| STI-1/2-13-3B-GO | 1/2-13 UNC 3B STI Go Plug-Class X | 1/2 | 7/8 | 1/2 | .5499" |
$82.00
|
| STI-1/2-13-3B-NGO | 1/2-13 UNC 3B STI NoGo Plug-Class X | 1/2 | 7/8 | 1/2 | .5537" |
$82.00
|
| 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" |
$178.00
|
| STI-1/2-20-2B-GO | 1/2-20 UNF 2B STI Go Plug-Class X | 1/2 | 7/8 | 1/2 | .5325" |
$82.00
|
| STI-1/2-20-2B-NGO | 1/2-20 UNF 2B STI NoGo Plug-Class X | 1/2 | 7/8 | 1/2 | .5371" |
$82.00
|
| 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" |
$178.00
|
| STI-1/2-20-3B-GO | 1/2-20 UNF 3B STI Go Plug-Class X | 1/2 | 7/8 | 1/2 | .5325" |
$82.00
|
| STI-1/2-20-3B-NGO | 1/2-20 UNF 3B STI NoGo Plug-Class X | 1/2 | 7/8 | 1/2 | .5357" |
$82.00
|
| 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" |
$178.00
|
| STI-9/16-12-2B-GO | 9/16-12 UNC 2B STI Go Plug-Class X | 9/16 | 7/8 | 1/2 | .6167" |
$87.00
|
| STI-9/16-12-2B-NGO | 9/16-12 UNC 2B STI NoGo Plug-Class X | 9/16 | 7/8 | 1/2 | .6225" |
$87.00
|
| 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" |
$188.00
|
| STI-9/16-12-3B-GO | 9/16-12 UNC 3B STI Go Plug-Class X | 9/16 | 7/8 | 1/2 | .6167" |
$87.00
|
| STI-9/16-12-3B-NGO | 9/16-12 UNC 3B STI NoGo Plug-Class X | 9/16 | 7/8 | 1/2 | .6208" |
$87.00
|
| 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" |
$188.00
|
| STI-9/16-18-2B-GO | 9/16-18 UNF 2B STI Go Plug-Class X | 9/16 | 7/8 | 1/2 | .5986" |
$87.00
|
| STI-9/16-18-2B-NGO | 9/16-18 UNF 2B STI NoGo Plug-Class X | 9/16 | 7/8 | 1/2 | .6035" |
$87.00
|
| 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" |
$188.00
|
| STI-9/16-18-3B-GO | 9/16-18 UNF 3B STI Go Plug-Class X | 9/16 | 7/8 | 1/2 | .5986" |
$87.00
|
| STI-9/16-18-3B-NGO | 9/16-18 UNF 3B STI NoGo Plug-Class X | 9/16 | 7/8 | 1/2 | .6020" |
$87.00
|
| 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" |
$188.00
|
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