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About Durometer Hardness Scales
More
Telescoping Leveling Rods
Use these telescoping rods in conjunction with sight levels. They extend to the length you need, then collapse for convenient storage.
Nonconductive Telescoping Leveling Rods
These fiberglass rods are nonconductive. Use them in conjunction with sight levels. They extend to the length you need, then collapse for convenient storage.
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.
Neoprene bumpers have good abrasion resistance. They 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 1/2" | 1" | 3/4" | 1/8" | 13/32" | 9/32" | 3/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 000000 |
| 1 3/4" | 1" | 1 3/4" | 1/8" | 13/32" | 9/32" | 1" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 2" | 1" | 1/2" | 1/8" | 7/16" | 9/32" | 1 1/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 2" | 1" | 3/4" | 1/8" | 7/16" | 9/32" | 1 1/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 2" | 1" | 1" | 1/8" | 7/16" | 9/32" | 1 1/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 2" | 1" | 1 1/2" | 1/8" | 7/16" | 9/32" | 1 1/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 2 1/2" | 1 1/4" | 3/4" | 1/8" | 7/16" | 9/32" | 1 3/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 2 1/2" | 1 1/4" | 1" | 1/8" | 7/16" | 9/32" | 1 3/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 2 1/2" | 1 1/4" | 1 1/2" | 1/8" | 7/16" | 9/32" | 1 3/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 3" | 1" | 1 3/4" | 1/8" | 9/16" | 13/32" | 1 3/4" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 3" | 1 1/2" | 3/4" | 1/8" | 7/16" | 9/32" | 2" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 3" | 1 1/2" | 1" | 1/8" | 7/16" | 9/32" | 2" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 3" | 1 1/2" | 1" | 1/8" | 1/2" | 11/32" | 2" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 3" | 1 1/2" | 1 1/2" | 1/8" | 7/16" | 9/32" | 2" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 4" | 1" | 3/4" | 1/8" | 13/32" | 9/32" | 1" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
Polyurethane Rubber with Steel Base Plate | ||||||||||||||
| 1 3/4" | 1" | 3/4" | 1/8" | 13/32" | 9/32" | 1" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 0000 |
| 2 1/2" | 5/8" | 5/8" | 1/8" | 13/32" | 9/32" | 1 1/2" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
| 2 1/2" | 2" | 2" | 1/8" | 1/2" | 11/32" | 1 1/2" | -40° to 200° | Yes | Hard | Durometer 80A | Yes | Red | 0000000 | 00000 |
Neoprene Rubber with Aluminum Base Plate | ||||||||||||||
| 1 1/2" | 1" | 3/4" | 1/8" | 13/32" | 9/32" | 3/4" | -40° to 200° | Yes | Hard | Durometer 80A | No | Black | 0000000 | 00000 |
| 1 3/4" | 1" | 1 3/4" | 1/8" | 13/32" | 9/32" | 1" | -40° to 200° | Yes | Hard | Durometer 80A | No | Black | 0000000 | 00000 |
| 3" | 1" | 1 3/4" | 1/8" | 19/32" | 13/32" | 1 3/4" | -40° to 200° | Yes | Hard | Durometer 80A | No | Black | 0000000 | 00000 |
| 3" | 1 1/2" | 1" | 1/8" | 1/2" | 11/32" | 2" | -40° to 200° | Yes | Hard | Durometer 80A | No | Black | 0000000 | 00000 |
| 4" | 1" | 3/4" | 1/8" | 13/32" | 9/32" | 1" | -40° to 200° | Yes | Hard | Durometer 80A | No | Black | 0000000 | 00000 |
Neoprene Rubber with Steel Base Plate | ||||||||||||||
| 1 3/4" | 1" | 3/4" | 1/8" | 13/32" | 9/32" | 1" | -40° to 200° | Yes | Hard | Durometer 80A | No | Black | 0000000 | 0000 |
| 2 1/2" | 5/8" | 5/8" | 1/8" | 13/32" | 9/32" | 1 1/2" | -40° to 200° | Yes | Hard | Durometer 80A | No | Black | 0000000 | 0000 |
| 2 1/2" | 2" | 2" | 1/8" | __ | 11/32" | 1 1/2" | -40° to 200° | Yes | Hard | Durometer 80A | No | Black | 0000000 | 00000 |
| 2 1/2" | 2" | 2" | 1/8" | 1/2" | 11/32" | 1 1/2" | -40° to 200° | Yes | Hard | Durometer 80A | No | Black | 0000000 | 00000 |
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 7/16" | 1 5/8" | 1/2" | 15/32" | -10° to 170° | Yes | Hard | Durometer 75A | Yes | Black | 0000000 | 000000 |
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.
Drill-your-own hole/glue-on bumpers require contact adhesive or drilling your own holes and mounting them with screws.
Mounting Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Base Plate Thick. | Counterbore Dia. | Dia. | Ctr.-to-Ctr. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Buna-N Rubber with Aluminum Base Plate | ||||||||||||||
Unthreaded Hole | ||||||||||||||
| 1 3/4" | 1" | 1/4" | 1/16" | 5/16" | 11/64" | 1" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 1 3/4" | 1" | 1/2" | 1/16" | 5/16" | 11/64" | 1" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 2 1/2" | 5/8" | 1/4" | 1/16" | 5/16" | 11/64" | 1 1/2" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
| 2 1/2" | 5/8" | 1/2" | 1/16" | 5/16" | 11/64" | 1 1/2" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 0000 |
Adhesive Back | ||||||||||||||
| 1 3/4" | 1" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 1 3/4" | 1" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 2 1/2" | 5/8" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
| 2 1/2" | 5/8" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 00000 |
| 6" | 1 1/4" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 6" | 1 1/4" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
Drill-Your-Own Hole/Glue On | ||||||||||||||
| 6" | 1 1/4" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 6" | 1 1/4" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
Mounting Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Base Plate Thick. | Counterbore Dia. | Dia. | Ctr.-to-Ctr. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Buna-N Rubber with Aluminum Base Plate | ||||||||||||||
Unthreaded Hole | ||||||||||||||
| 1 3/4" | 1" | 1/4" | 1/16" | 5/16" | 11/64" | 1" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 1 3/4" | 1" | 1/2" | 1/16" | 5/16" | 11/64" | 1" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 2 1/2" | 5/8" | 1/4" | 1/16" | 5/16" | 11/64" | 1 1/2" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 0000 |
| 2 1/2" | 5/8" | 1/2" | 1/16" | 5/16" | 11/64" | 1 1/2" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 0000 |
Adhesive Back | ||||||||||||||
| 1 3/4" | 1" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 1 3/4" | 1" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 2 1/2" | 5/8" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 0000 |
| 2 1/2" | 5/8" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 00000 |
| 6" | 1 1/4" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 00000 |
| 6" | 1 1/4" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 00000 |
Drill-Your-Own Hole/Glue On | ||||||||||||||
| 6" | 1 1/4" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 00000 |
| 6" | 1 1/4" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 00000 |
Mounting Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Base Plate Thick. | Counterbore Dia. | Dia. | Ctr.-to-Ctr. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Buna-N Rubber with Aluminum Base Plate | ||||||||||||||
Unthreaded Hole | ||||||||||||||
| 1 3/4" | 1" | 1/4" | 1/16" | 5/16" | 11/64" | 1" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 1 3/4" | 1" | 1/2" | 1/16" | 5/16" | 11/64" | 1" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 2 1/2" | 5/8" | 1/4" | 1/16" | 5/16" | 11/64" | 1 1/2" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
| 2 1/2" | 5/8" | 1/2" | 1/16" | 5/16" | 11/64" | 1 1/2" | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 0000000 | 0000 |
Adhesive Back | ||||||||||||||
| 1 3/4" | 1" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 1 3/4" | 1" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 2 1/2" | 5/8" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 0000 |
| 2 1/2" | 5/8" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 6" | 1 1/4" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 6" | 1 1/4" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
Drill-Your-Own Hole/Glue On | ||||||||||||||
| 6" | 1 1/4" | 1/4" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
| 6" | 1 1/4" | 1/2" | 1/16" | __ | __ | __ | -60° to 170° | Yes | Medium Hard | Durometer 60A | No | Black | 00000000 | 00000 |
Threaded Bumpers
Mount these bumpers on a threaded stud. All are reinforced with a steel core 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. All of these bumpers can be used outdoors.
Bumpers with an extra-hard, hard, and medium-hard rating withstand high levels of impact. The harder the bumper, the more impact it withstands.
Neoprene bumpers have good abrasion resistance.
For technical drawings and 3-D models, click on a part number.
Thread | Mounting Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Dp. | Lg. | Wd. | Ht. | Ctr.-to-Ctr. | Dp. | Base Plate Thick. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Neoprene Rubber with Steel Base Plate | |||||||||||||||
5/16"-18 | 1/8" | 4" | 2 1/2" | 2" | 3 1/4" | 1" | 1/8" | -40° to 200° | Yes | Hard | Durometer 80A | No | Black | 0000000 | 000000 |
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 medium and medium-soft rating offer a balance of cushioning and impact resistance. The softer the bumper, the more it cushions. Bumpers with an extra-hard and medium-hard rating withstand higher levels of impact than softer bumpers. The harder the bumper, the more impact it withstands.
Polyurethane bumpers have good abrasion resistance. They're also nonmarking.
For technical drawings and 3-D models, click on a part number.
| Lg. | Wd. | Ht. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Pkg. Qty. | Pkg. | |
Polyurethane Rubber | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2" | 1" | 1/8" | -20° to 190° | No | Extra Hard | Durometer 90A | Yes | Black | 10 | 000000000 | 00000 |
| 1/2" | 1" | 1/8" | -20° to 190° | No | Medium Hard | Durometer 65A | Yes | Black | 10 | 000000000 | 0000 |
| 1/2" | 1" | 1/8" | -20° to 190° | No | Medium Soft | Durometer 40A | Yes | Black | 10 | 000000000 | 0000 |
| 1" | 2" | 1/4" | -20° to 190° | No | Medium Hard | Durometer 65A | Yes | Black | 5 | 000000000 | 00000 |
| 1" | 2" | 1/4" | -20° to 190° | No | Medium Soft | Durometer 40A | Yes | Black | 5 | 000000000 | 00000 |
| 2" | 2" | 1/4" | -20° to 190° | No | Extra Hard | Durometer 90A | Yes | Black | 5 | 000000000 | 00000 |
| 2" | 3" | 1/4" | -20° to 190° | No | Extra Hard | Durometer 90A | Yes | Black | 2 | 000000000 | 0000 |
| 2" | 3" | 1/4" | -20° to 190° | No | Medium Hard | Durometer 65A | Yes | Black | 2 | 000000000 | 0000 |
| 2" | 3" | 1/4" | -20° to 190° | No | Medium Soft | Durometer 40A | Yes | Black | 2 | 000000000 | 0000 |
Cut-to-Size Adhesive-Back Bumpers
Make bumpers the size and shape you need. Use them as feet and spacers on instruments and small appliances to limit sliding, vibration, and noise. Press them into place with the adhesive backing. Made of polyurethane, all of these bumpers have good abrasion resistance. They have a medium-hard rating to withstand high levels of impact.
For technical drawings and 3-D models, click on a part number.
| Wd. | Ht. | Lg., ft. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Polyurethane Rubber | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 4 1/2" | 1/32" | 1 | 0° to 150° | No | Medium Hard | Rockwell M70 | No | Black | 0000000 | 000000 |
| 4 1/2" | 1/32" | 1 | 0° to 150° | No | Medium Hard | Rockwell M70 | No | Clear | 0000000 | 00000 |
| 4 1/2" | 1/16" | 1 | 0° to 150° | No | Medium Hard | Rockwell M70 | No | Black | 0000000 | 00000 |
| 4 1/2" | 1/16" | 1 | 0° to 150° | No | Medium Hard | Rockwell M70 | No | Clear | 0000000 | 00000 |
| 4 1/2" | 1/8" | 1 | 0° to 150° | No | Medium Hard | Rockwell M70 | No | Black | 0000000 | 00000 |
| 9" | 1/32" | 1 | 0° to 150° | No | Medium Hard | Rockwell M70 | No | Black | 0000000 | 00000 |
| 9" | 1/32" | 1 | 0° to 150° | No | Medium Hard | Rockwell M70 | No | Clear | 0000000 | 00000 |
| 9" | 1/16" | 1 | 0° to 150° | No | Medium Hard | Rockwell M70 | No | Black | 0000000 | 00000 |
| 9" | 1/16" | 1 | 0° to 150° | No | Medium Hard | Rockwell M70 | No | Clear | 0000000 | 00000 |
| 9" | 1/8" | 1 | 0° to 150° | No | Medium Hard | Rockwell M70 | No | Black | 0000000 | 00000 |