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Press-Fit Locating and Support Buttons
Support and position workpieces and fixtures from the bottom or side. These buttons press into a drilled hole for permanent installation. Also known as rest buttons.
Stainless steel buttons are a good choice to avoid corrosion when working with stainless steel workpieces or fixtures.
Inch
Stud | Tolerance | ||||||
|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Dia. | Lg. | Lg. | Stud Dia. | Each | |
Steel | |||||||
| 1/4" | 1/8" | 1/8" | 7/32" | 0" to 0.001" | 0.001" to 0.0015" | 0000000 | 00000 |
| 1/4" | 1/4" | 3/16" | 7/32" | 0.01" to 0.015" | 0.0005" to 0.001" | 0000000 | 0000 |
| 3/8" | 1/8" | 1/8" | 7/32" | 0" to 0.001" | 0.001" to 0.0015" | 0000000 | 0000 |
| 3/8" | 1/4" | 3/16" | 7/32" | 0.01" to 0.015" | 0.0005" to 0.001" | 0000000 | 0000 |
| 3/8" | 1/4" | 1/4" | 1/2" | 0" to 0.001" | 0.0005" to 0.001" | 0000000 | 0000 |
| 3/8" | 3/8" | 3/16" | 3/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 3/8" | 1/2" | 3/16" | 3/8" | 0" to 0.005" | 0.0005" to 0.001" | 0000000 | 0000 |
| 1/2" | 1/8" | 1/8" | 7/32" | 0" to 0.001" | 0.001" to 0.0015" | 0000000 | 0000 |
| 1/2" | 1/4" | 1/4" | 1/2" | 0" to 0.005" | 0.0005" to 0.0015" | 0000000 | 0000 |
| 1/2" | 3/8" | 1/4" | 1/2" | 0" to 0.005" | 0.0005" to 0.0015" | 0000000 | 0000 |
| 1/2" | 1/2" | 1/4" | 1/2" | 0" to 0.005" | 0.0005" to 0.0015" | 0000000 | 0000 |
| 5/8" | 1/4" | 3/8" | 15/32" | 0.01" to 0.015" | 0.0005" to 0.001" | 0000000 | 0000 |
| 5/8" | 5/16" | 5/16" | 1/2" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 5/8" | 3/8" | 3/8" | 1/2" | 0" to 0.005" | 0.0005" to 0.0015" | 0000000 | 0000 |
| 5/8" | 7/16" | 5/16" | 1/2" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 5/8" | 1/2" | 3/8" | 1/2" | 0" to 0.005" | 0.0005" to 0.0015" | 0000000 | 0000 |
| 5/8" | 5/8" | 3/8" | 1/2" | 0" to 0.005" | 0.0005" to 0.0015" | 0000000 | 0000 |
| 5/8" | 3/4" | 3/8" | 1/2" | 0" to 0.005" | 0.0005" to 0.0015" | 0000000 | 0000 |
| 5/8" | 7/8" | 5/16" | 1/2" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 5/8" | 1" | 3/8" | 1/2" | 0" to 0.005" | 0.0005" to 0.0015" | 0000000 | 0000 |
| 3/4" | 1 1/2" | 1/2" | 1/2" | 0" to 0.01" | 0.0005" to 0.0015" | 0000000 | 0000 |
| 7/8" | 1/4" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 5/16" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 3/8" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 7/16" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 1/2" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 9/16" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 5/8" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 11/16" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 3/4" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 13/16" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 7/8" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 15/16" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 7/8" | 1" | 1/2" | 5/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 1" | 3/8" | 5/8" | 3/4" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 00000 |
| 1" | 1/2" | 5/8" | 3/4" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 1" | 5/8" | 5/8" | 3/4" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 1" | 3/4" | 5/8" | 3/4" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 0000 |
| 1 1/2" | 1/4" | 1" | 1 3/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 00000 |
| 1 1/2" | 1/2" | 1" | 1 3/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 00000 |
| 1 1/2" | 3/4" | 1" | 1 3/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 00000 |
| 1 1/2" | 1" | 1" | 1 3/8" | 0" to 0.001" | -0.0005" to 0" | 00000000 | 00000 |
Stainless Steel  | |||||||
| 3/8" | 1/4" | 3/16" | 1/4" | 0" to 0.001" | -0.015" to 0" | 00000000 | 0000 |
| 3/8" | 3/8" | 3/16" | 1/4" | 0" to 0.001" | -0.015" to 0" | 00000000 | 0000 |
| 3/8" | 1/2" | 3/16" | 1/4" | 0" to 0.001" | -0.015" to 0" | 00000000 | 0000 |
| 1/2" | 1/4" | 1/4" | 5/16" | 0" to 0.001" | -0.015" to 0" | 00000000 | 0000 |
| 1/2" | 3/8" | 1/4" | 5/16" | 0" to 0.001" | -0.015" to 0" | 00000000 | 0000 |
| 1/2" | 1/2" | 5/16" | 5/16" | 0" to 0.001" | -0.015" to 0" | 00000000 | 0000 |
| 1/2" | 3/4" | 5/16" | 5/16" | 0" to 0.001" | -0.015" to 0" | 00000000 | 0000 |
| 1/2" | 1" | 5/16" | 5/16" | 0" to 0.001" | -0.015" to 0" | 00000000 | 0000 |
Screw-Mount Locating and Support Buttons
Also known as rest buttons, these buttons support workpieces and fixtures from the bottom or side. Mount them onto a screw or stud extending from your jig or table.
Stainless steel buttons are corrosion resistant. They’re usually paired with stainless steel workpieces or fixtures.
Round buttons have an unthreaded, counterbored through hole. Mount them to a socket head cap screw.
Inch
Flat Head
| Dia. | Lg. | Lg. Tolerance | For Mounting Screw Size | Mounting Fasteners Included | Each | |
Steel—Round with Flat Head | ||||||
|---|---|---|---|---|---|---|
| 5/16" | 5/32" | 0" to 0.001" | No. 2 | No | 0000000 | 00000 |
| 3/8" | 3/16" | 0" to 0.001" | No. 4 | No | 0000000 | 0000 |
| 3/8" | 1/4" | 0" to 0.001" | No. 6 | No | 0000000 | 0000 |
| 3/8" | 1/4" | 0" to 0.001" | No. 8 | No | 0000000 | 0000 |
| 1/2" | 1/2" | -0.001" to 0.001" | No. 10 | No | 0000000 | 0000 |
| 5/8" | 1/2" | 0" to 0.001" | 1/4" | No | 0000000 | 0000 |
| 5/8" | 5/8" | -0.001" to 0.001" | 1/4" | No | 0000000 | 0000 |
| 5/8" | 3/4" | 0" to 0.001" | 1/4" | No | 0000000 | 0000 |
| 5/8" | 1" | 0" to 0.001" | 1/4" | No | 0000000 | 0000 |
| 3/4" | 1/2" | -0.001" to 0.001" | 5/16" | No | 0000000 | 0000 |
| 3/4" | 5/8" | -0.001" to 0.001" | 5/16" | No | 0000000 | 0000 |
| 3/4" | 3/4" | -0.001" to 0.001" | 5/16" | No | 0000000 | 0000 |
| 7/8" | 1 1/8" | 0" to 0.001" | 5/16" | No | 00000000 | 0000 |
| 15/16" | 5/8" | -0.001" to 0.001" | 3/8" | No | 0000000 | 0000 |
| 15/16" | 3/4" | -0.001" to 0.001" | 3/8" | No | 0000000 | 0000 |
| 15/16" | 1" | -0.001" to 0.001" | 3/8" | No | 0000000 | 0000 |
| 1 1/4" | 7/8" | -0.001" to 0.001" | 1/2" | No | 0000000 | 0000 |
| 1 1/4" | 1 1/2" | 0" to 0.001" | 3/8" | No | 00000000 | 00000 |
| 1 1/4" | 2" | 0" to 0.001" | 3/8" | No | 00000000 | 00000 |
| 1 5/8" | 1 1/4" | 0" to 0.001" | 1/2" | No | 00000000 | 00000 |
| 1 5/8" | 1 3/4" | 0" to 0.001" | 1/2" | No | 00000000 | 00000 |
| 1 5/8" | 2 1/4" | 0" to 0.001" | 1/2" | No | 00000000 | 00000 |
Acetal Plastic—Round with Flat Head | ||||||
| 3/8" | 3/8" | -0.005" to 0" | No. 6 | No | 0000000 | 0000 |
| 1/2" | 1/2" | -0.005" to 0" | No. 8 | No | 0000000 | 0000 |
| 5/8" | 1/2" | -0.005" to 0" | No. 8 | No | 0000000 | 0000 |
| 3/4" | 1/2" | -0.005" to 0" | No. 10 | No | 0000000 | 0000 |
| 1" | 1/2" | -0.005" to 0" | 1/4" | No | 0000000 | 0000 |
Stainless Steel—Round with Flat Head | ||||||
| 3/8" | 3/8" | -0.001" to 0.001" | No. 6 | No | 0000000 | 0000 |
| 1/2" | 1/2" | -0.001" to 0.001" | No. 8 | No | 0000000 | 0000 |
| 5/8" | 1/2" | -0.001" to 0.001" | No. 8 | No | 0000000 | 0000 |
| 3/4" | 1/2" | -0.001" to 0.001" | No. 10 | No | 0000000 | 0000 |
| 1" | 1/2" | -0.001" to 0.001" | 1/4" | No | 0000000 | 00000 |
Domed-Head Locating and Support Buttons
Support rounded or irregularly shaped workpieces from the bottom or side with minimal contact. Press the stud into a drilled hole for permanent installation. Also known as rest buttons.
Stainless steel buttons resist corrosion. They’re a good choice when working with stainless steel workpieces or fixtures.
Inch
Stud | Tolerance | ||||||
|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Dia. | Lg. | Lg. | Stud Dia. | Each | |
Steel | |||||||
| 1/4" | 1/8" | 3/16" | 1/4" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 00000 |
| 5/16" | 1/8" | 3/16" | 1/4" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 0000 |
| 3/8" | 3/16" | 1/4" | 5/16" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 0000 |
| 1/2" | 3/16" | 3/8" | 3/8" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 0000 |
| 1/2" | 1/4" | 3/8" | 3/8" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 0000 |
| 1/2" | 3/8" | 3/8" | 3/8" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 0000 |
| 1/2" | 1/2" | 3/8" | 3/8" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 0000 |
| 5/8" | 3/8" | 1/2" | 5/8" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 00000 |
| 3/4" | 5/8" | 1/2" | 5/8" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 00000 |
| 1" | 3/4" | 5/8" | 3/4" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 00000 |
| 1" | 1" | 5/8" | 3/4" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 00000 |
| 1 1/4" | 1 1/4" | 3/4" | 7/8" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 00000 |
Stainless Steel | |||||||
| 5/16" | 1/8" | 3/16" | 1/4" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 00000 |
| 3/8" | 3/16" | 1/4" | 5/16" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 00000 |
| 1/2" | 1/4" | 3/8" | 3/8" | -0.002" to 0.002" | -0.0005" to 0" | 0000000 | 00000 |