System of Measurement System of Measurement |
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Mount Type Mount Type |
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Shape Shape | Show |
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Shape Shape | Hide |
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Hardness Rating Hardness Rating |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Reinforcement Type Reinforcement Type |
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Base Plate Material Base Plate Material |
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Serration Type Serration Type |
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About Durometer Hardness Scales
More
Unthreaded Bumpers
Install these bumpers with screws. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces. All have a hard rating to withstand high levels of impact. They're also known as recessed bumpers.
Polyurethane bumpers have better abrasion resistance than SBR bumpers. They won't become brittle and crack when exposed to ozone, are nonmarking, and can be used outdoors.
For technical drawings and 3-D models, click on a part number.
| Lg. | Wd. | Ht. | Mounting Hole Dia. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Polyurethane Rubber | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2" | 2" | 1/4" | 7/16" | -10° to 170° | Yes | Hard | Durometer 75A | Yes | Black | 0000000 | 00000 |
| 2 1/16" | 2 1/16" | 7/16" | 3/8" | -10° to 170° | Yes | Hard | Durometer 75A | Yes | Black | 0000000 | 0000 |
| 2 1/16" | 2 1/16" | 15/16" | 3/8" | -10° to 170° | Yes | Hard | Durometer 75A | Yes | Black | 0000000 | 0000 |
Heavy Duty Unthreaded Bumpers
All of these bumpers are reinforced with an embedded washer or base plate for strength. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces. They're also good for starting and stopping motion on automated machines. Install them with screws. These bumpers are also known as recessed bumpers.
Bumpers with a hard and medium-hard rating withstand high levels of impact. The harder the bumper, the more impact it withstands.
Polyurethane bumpers have better abrasion resistance than SBR bumpers. They won't become brittle and crack when exposed to ozone, are nonmarking, and can be used outdoors.
For technical drawings and 3-D models, click on a part number.
Mounting Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Mounting Surface Ht. | Counterbore Dia. | Dia. | Ctr.-to-Ctr. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Polyurethane Rubber with Aluminum Base Plate | ||||||||||||||
| 1" | 1" | 3/4" | 1/8" | 7/16" | 9/32" | __ | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 00000000 | 00000 |
| 1 1/2" | 1 1/2" | 1" | 1/8" | 7/16" | 9/32" | 3/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 00000000 | 00000 |
| 2" | 2" | 1" | 1/8" | 7/16" | 9/32" | 1 1/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 00000000 | 00000 |
| 2 1/2" | 2 1/2" | 1" | 1/8" | 7/16" | 9/32" | 1 1/2" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 00000000 | 00000 |
| 3" | 3" | 1 1/2" | 1/8" | 7/16" | 9/32" | 2" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 00000000 | 00000 |
| 4" | 4" | 1 1/2" | 1/8" | 7/16" | 9/32" | 3" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 00000000 | 00000 |
Nonslip Unthreaded Bumpers
These nonslip bumpers protect equipment while minimizing the movement of objects that come in contact, making them good for positioning and robotic-gripping applications. All have an aluminum base plate that adds strength, but is flexible enough to bend around a curve. Made of Buna-N, these bumpers resist abrasion, oil, and grease. They can be used outdoors, and all have a medium-hard rating to withstand high levels of impact.
Smooth bumpers distribute gripping force evenly, which makes them good for applications involving motion, such as conveyor belts.
Fine bumpers have better grip on irregular surfaces than smooth bumpers.
Coarse bumpers have good grip on rough and irregular surfaces, even if there’s debris.
Unthreaded-hole bumpers mount with screws.
Adhesive-back bumpers allow for easy installation.
Mounting Hole | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Base Plate Thick. | Counterbore Dia. | Dia. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Buna-N Rubber with Aluminum Base Plate | |||||||||||||
Unthreaded Hole | |||||||||||||
| 1 1/4" | 1 1/4" | 1/4" | 1/16" | 5/16" | 11/64" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 1 1/4" | 1 1/4" | 1/2" | 1/16" | 5/16" | 11/64" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
Adhesive Back | |||||||||||||
| 1 1/4" | 1 1/4" | 1/4" | 1/16" | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
| 1 1/4" | 1 1/4" | 1/2" | 1/16" | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
Mounting Hole | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Base Plate Thick. | Counterbore Dia. | Dia. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Buna-N Rubber with Aluminum Base Plate | |||||||||||||
Unthreaded Hole | |||||||||||||
| 1 1/4" | 1 1/4" | 1/4" | 1/16" | 5/16" | 11/64" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 00000 |
| 1 1/4" | 1 1/4" | 1/2" | 1/16" | 5/16" | 11/64" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 0000 |
Adhesive Back | |||||||||||||
| 1 1/4" | 1 1/4" | 1/4" | 1/16" | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
| 1 1/4" | 1 1/4" | 1/2" | 1/16" | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
Mounting Hole | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Base Plate Thick. | Counterbore Dia. | Dia. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Buna-N Rubber with Aluminum Base Plate | |||||||||||||
Unthreaded Hole | |||||||||||||
| 1 1/4" | 1 1/4" | 1/4" | 1/16" | 5/16" | 11/64" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 1 1/4" | 1 1/4" | 1/2" | 1/16" | 5/16" | 11/64" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
Adhesive Back | |||||||||||||
| 1 1/4" | 1 1/4" | 1/4" | 1/16" | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
| 1 1/4" | 1 1/4" | 1/2" | 1/16" | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
Adhesive-Back Bumpers
Press these bumpers into place with the adhesive backing. Use them as feet and spacers on instruments and small appliances to limit sliding, vibration, and noise. They're comparable to Bumpon bumpers.
Bumpers with a soft rating offer cushioning. Bumpers with a medium-hard rating withstand higher levels of impact than softer bumpers.
Polyurethane bumpers have good abrasion resistance. They're also nonmarking.
Plastic bumpers are chemical resistant and won't dry out and become brittle when exposed to UV rays. They're also nonmarking. They are not for use outdoors.
Polyethylene foam bumpers cushion during impact and are nonmarking. They are not for use outdoors.
Silicone foam bumpers cushion during impact and withstand a wider range of temperatures than other bumpers. They are nonmarking and can be used outdoors.
| Lg. | Wd. | Ht. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Choose a Color | Pkg. Qty. | Pkg. | |
Polyurethane Rubber | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 13/32" | 13/32" | 7/64" | 70° to 150° | Yes | Medium Hard | Durometer 65A | Yes | 121 | 00000000 | 00000 | |
| 1/2" | 1/2" | 1/8" | 70° to 150° | Yes | Medium Hard | Durometer 65A | Yes | 50 | 00000000 | 0000 | |
| 3/4" | 3/4" | 1/4" | 70° to 150° | Yes | Medium Hard | Durometer 65A | Yes | 49 | 000000000 | 0000 | |
| 3/4" | 3/4" | 3/8" | 70° to 150° | Yes | Medium Hard | Durometer 65A | Yes | 25 | 000000000 | 0000 | |
| 1" | 1" | 3/16" | 70° to 150° | Yes | Medium Hard | Durometer 65A | Yes | Black | 55 | 00000000 | 00000 |
Vinyl Plastic | |||||||||||
| 1/2" | 1/2" | 13/64" | 50° to 100° | No | Medium Hard | Durometer 60A | Yes | Black | 100 | 0000000 | 00000 |
Polyethylene Foam | |||||||||||
| 1/2" | 1/2" | 1/16" | 0° to 140° | No | Soft | Not Rated | Yes | Black | 80 | 000000 | 0000 |
| 1/2" | 1/2" | 1/8" | 0° to 140° | No | Soft | Not Rated | Yes | Black | 80 | 0000000 | 0000 |
| 3/4" | 3/4" | 1/16" | 0° to 140° | No | Soft | Not Rated | Yes | Black | 100 | 000000 | 0000 |
| 3/4" | 3/4" | 1/8" | 0° to 140° | No | Soft | Not Rated | Yes | Black | 100 | 0000000 | 0000 |
| 1" | 1" | 1/16" | 0° to 140° | No | Soft | Not Rated | Yes | Black | 96 | 000000 | 0000 |
| 1" | 1" | 1/8" | 0° to 140° | No | Soft | Not Rated | Yes | Black | 96 | 0000000 | 0000 |
Silicone Foam | |||||||||||
| 1/2" | 1/2" | 1/8" | -20° to 300° | Yes | Soft | Not Rated | Yes | Red | 20 | 000000 | 0000 |
| 1/2" | 1/2" | 3/16" | -20° to 300° | Yes | Soft | Not Rated | Yes | Red | 20 | 000000 | 00000 |
| 1/2" | 1/2" | 1/4" | -20° to 300° | Yes | Soft | Not Rated | Yes | Red | 10 | 000000 | 0000 |
| 1" | 1" | 1/4" | -20° to 300° | Yes | Soft | Not Rated | Yes | Red | 10 | 000000 | 00000 |
Grippers
Maintain a secure hold on uneven or irregularly shaped parts by clamping against these serrated grippers.
Grippers with an unthreaded through-hole mount from the top with a socket head cap screw.
Grippers with a threaded through-hole mount from the bottom with a socket head cap screw.
Fine serrations penetrate the workpiece for aggressive holding.
Extra-fine serrations are closer together for less penetration and a lighter hold on the workpiece.
For technical drawings and 3-D models, click on a part number.
Side Grippers
Clamp against these grippers for a secure hold on workpiece edges. The serrations penetrate the workpiece surface to hold uneven or irregularly shaped parts. Grippers mount from the top with a socket head cap screw.
For technical drawings and 3-D models, click on a part number.
| Wd. | Ht. | For Mounting Screw Size | Mounting Hole Style | Mounting Fasteners Included | Material | Each | |
Square with Unthreaded Through Hole | |||||||
|---|---|---|---|---|---|---|---|
Extra-Fine Serrations | |||||||
| 3/8" | 1/4" | No. 6 | Counterbored | No | Steel | 0000000 | 00000 |
Fine Serrations | |||||||
| 1/2" | 1/4" | No. 8 | Counterbored | No | Steel | 0000000 | 00000 |
| 5/8" | 1/4" | 1/4" | Counterbored | No | Steel | 0000000 | 00000 |
| 5/8" | 3/8" | 1/4" | Counterbored | No | Steel | 0000000 | 00000 |
| 3/4" | 3/8" | 5/16" | Counterbored | No | Steel | 0000000 | 00000 |
| 3/4" | 1/2" | 5/16" | Counterbored | No | Steel | 0000000 | 00000 |
| 1" | 1/2" | 3/8" | Counterbored | No | Steel | 0000000 | 00000 |