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Set Screw Thread Size
About Durometer
Durometer is the international standard for measuring the hardness of rubber, plastic, and most nonmetallic materials.
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Drive Rollers
Made of neoprene rubber, these rollers resist oil, flames, gasoline, and weather. Also known as contact wheels and feed rollers, they have tapped hubs that allow you to mount them onto a shaft or stud to transmit power.
For technical drawings and 3-D models, click on a part number.
Roller | Hub | Set Screws | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Wd. | For Shaft Dia. | Dia. | Wd. | Shaft Mount Type | No. Required | Included | Thread Size  | Temperature Range, °F | Choose a Durometer (Hardness Rating) | Each | |
Neoprene Roller with Aluminum Hub | ||||||||||||
| 5/8" | 3/16" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 000000 |
| 5/8" | 1/4" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 5/8" | 3/8" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 5/8" | 1/2" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 3/4" | 3/16" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 3/4" | 1/4" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 3/4" | 3/8" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 3/4" | 1/2" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 7/8" | 3/16" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 7/8" | 1/4" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 7/8" | 3/8" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 7/8" | 1/2" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1" | 3/16" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1" | 1/4" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1" | 3/8" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1" | 1/2" | 1/4" | 1/2" | 1/4" | Set Screw | 1 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 1/4" | 1/4" | 5/16" | 5/8" | 5/16" | Set Screw | 2 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 1/4" | 1/2" | 1/4" | 5/8" | 5/16" | Set Screw | 2 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 1/4" | 3/4" | 5/16" | 5/8" | 5/16" | Set Screw | 2 | No | 8-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 1/2" | 1/2" | 3/8" | 7/8" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 1/2" | 5/8" | 3/8" | 7/8" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 1/2" | 3/4" | 1/2" | 7/8" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 1/2" | 1" | 1/2" | 7/8" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 1/2" | 1 1/4" | 3/8" | 7/8" | 3/8" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 1 1/2" | 1 1/4" | 1/2" | 7/8" | 3/8" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 1 5/8" | 1/4" | 3/8" | 7/8" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 5/8" | 3/4" | 3/8" | 7/8" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 5/8" | 1" | 1/2" | 7/8" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 3/4" | 3/4" | 1/2" | 1" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 1 3/4" | 1" | 5/8" | 1" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2" | 5/8" | 1/2" | 1" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2" | 3/4" | 1/2" | 1" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2" | 1" | 5/8" | 1" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2 1/8" | 1/4" | 1/2" | 1" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2 1/8" | 3/4" | 1/2" | 1" | 3/8" | Set Screw | 2 | No | 10-32 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2 1/2" | 3/4" | 5/8" | 1 1/4" | 1/2" | Set Screw | 2 | No | 1/4"-28 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2 1/2" | 1" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | No | 1/4"-28 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2 1/2" | 1 1/2" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | No | 1/4"-28 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2 5/8" | 3/8" | 5/8" | 1 1/4" | 1/2" | Set Screw | 2 | No | 1/4"-28 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2 5/8" | 1" | 5/8" | 1 1/4" | 1/2" | Set Screw | 2 | No | 1/4"-28 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2 3/4" | 1" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | No | 1/4"-28 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 2 3/4" | 1 1/2" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | No | 1/4"-28 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 3" | 1 1/2" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | No | 1/4"-28 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
| 3" | 2" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | No | 1/4"-28 | -30° to 200° | 55A (Medium) Black | 00000000 | 00000 |
Neoprene Roller with Steel Hub | ||||||||||||
| 2" | 29/32" | 5/8" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 2" | 29/32" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 2" | 29/32" | 1" | 1 3/8" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 2" | 1 15/16" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 2" | 1 15/16" | 1" | 1 3/8" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 2 1/2" | 29/32" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 2 1/2" | 29/32" | 1" | 1 3/8" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 2 1/2" | 1 15/16" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 2 1/2" | 1 15/16" | 1" | 1 3/8" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 4" | 29/32" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 4" | 29/32" | 1" | 1 3/8" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 4" | 1 15/16" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
| 4" | 1 15/16" | 1" | 1 3/8" | 1/2" | Set Screw | 2 | Yes | __ | -40° to 200° | 0000000 | 00000 | |
Self-Cleaning Drive Rollers
Made of neoprene rubber, these rollers resist oil, flames, gasoline, and weather. Ridges on the surface push dirt and debris out of the way. Also known as contact wheels and feed rollers, these rollers have tapped hubs that allow you to mount them onto a shaft or stud to transmit power.
For technical drawings and 3-D models, click on a part number.
Roller | Hub | Set Screws | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Wd. | For Shaft Dia. | Dia. | Wd. | Shaft Mount Type | No. Required | Included | Temperature Range, °F | Durometer (Hardness Rating) | Each | |
Neoprene Roller with Steel Hub | |||||||||||
| 4" | 1 15/16" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | -40° to 200° | 35A (Soft) Black | 0000000 | 000000 |
Flex-Grip Drive Rollers
These neoprene rollers are wear and chemical resistant. The teardrop-shaped sidewall holes and soft surface allow the roller to gently grab and maintain contact as it is compressed. Also known as contact wheels and feed rollers, these rollers have tapped hubs that allow you to mount them onto a shaft or stud to transmit power.
For technical drawings and 3-D models, click on a part number.
Roller | Hub | Set Screws | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Wd. | For Shaft Dia. | Dia. | Wd. | Shaft Mount Type | No. Required | Included | Temperature Range, ° F | Color | Each | |
20A Durometer (Soft) | |||||||||||
Neoprene Roller with Steel Hub | |||||||||||
| 4" | 29/32" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | -40° to 200° | Black | 000000 | 000000 |
| 4" | 29/32" | 1" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | -40° to 200° | Black | 000000 | 00000 |
| 4" | 1 15/16" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | -40° to 200° | Black | 000000 | 00000 |
| 4" | 1 15/16" | 1" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | -40° to 200° | Black | 000000 | 00000 |
35A Durometer (Soft) | |||||||||||
Neoprene Roller with Steel Hub | |||||||||||
| 4" | 29/32" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | -40° to 200° | Black | 0000000 | 00000 |
| 4" | 29/32" | 1" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | -40° to 200° | Black | 0000000 | 00000 |
| 4" | 1 15/16" | 3/4" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | -40° to 200° | Black | 0000000 | 00000 |
| 4" | 1 15/16" | 1" | 1 1/4" | 1/2" | Set Screw | 2 | Yes | -40° to 200° | Black | 0000000 | 00000 |
Rollers
Made of neoprene rubber, these rollers resist oil, flames, gasoline, and weather. Mount them directly onto your shaft or build a custom roller by adding your own hub.
For technical drawings and 3-D models, click on a part number.
Roller | |||||||
|---|---|---|---|---|---|---|---|
| Dia. | Wd. | For Shaft Dia. | Shaft Mount Type | Temperature Range, °F | Choose a Durometer (Hardness Rating) | Each | |
Neoprene Roller with Steel Hub | |||||||
| 1 1/2" | 1 1/4" | 7/8" | Press Fit | -40° to 200° | 0000000 | 000000 | |
| 2" | 29/32" | 1 1/4" | Press Fit | -40° to 200° | 0000000 | 00000 | |
| 2" | 1 15/16" | 1 1/4" | Press Fit | -40° to 200° | 0000000 | 00000 | |
| 2 1/2" | 29/32" | 1 1/4" | Press Fit | -40° to 200° | 0000000 | 00000 | |
| 2 1/2" | 1 15/16" | 1 1/4" | Press Fit | -40° to 200° | 0000000 | 00000 | |
| 4" | 29/32" | 1 1/4" | Press Fit | -40° to 200° | 0000000 | 00000 | |
| 4" | 1 15/16" | 1 1/4" | Press Fit | -40° to 200° | 0000000 | 00000 | |