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About Durometer Hardness Scales
More
Load-Rated Threaded-Stud Bumpers
Select these bumpers for applications that require specific load capacities. All are reinforced with a 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 and conveyors. Twist these bumpers into a threaded hole.
Bumpers with a medium hardness rating offer a balance of cushioning and impact resistance.
Bumpers with a hard hardness rating withstand more impact than softer bumpers.
Rubber bumpers are abrasion resistant. Those with a soft rating can be used outdoors.
Stainless steel studs are more corrosion resistant than steel studs.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Lg. | OD | Ht. | Max. Load, lbs. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Nonmarking | Color | Stud Material | Pkg. Qty. | Each | |
Style 2 | ||||||||||||||
Rubber with Steel Base Plate | ||||||||||||||
| 1/4"-20 | __ | 1/2" | 3/4" | 1" | 22 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 00000 |
| 1/4"-20 | __ | 1/2" | 63/64" | 1 1/4" | 30 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 0000 |
| 5/16"-18 | __ | 5/8" | 1 17/64" | 1 1/2" | 45 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 0000 |
| 5/16"-18 | __ | 5/8" | 1 1/2" | 1 3/4" | 140 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 0000 |
| 3/8"-16 | __ | 5/8" | 1 49/64" | 2" | 160 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 0000000 | 00000 |
| 3/8"-16 | __ | 1 1/8" | 2" | 2 1/4" | 190 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 00000 |
| M6 | 1 | 18mm | 20mm | 15mm | 40 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 0000 |
| M6 | 1 | 18mm | 20mm | 15mm | 70 | -40° to 170° | No | Hard | Yes | Black | Steel | __ | 00000000 | 0000 |
| M6 | 1 | 18mm | 20mm | 24mm | 22 | -10° to 150° | No | Medium | No | Black | Steel | __ | 0000000 | 0000 |
| M6 | 1 | 18mm | 20mm | 24mm | 70 | -40° to 170° | No | Hard | Yes | Black | Steel | __ | 00000000 | 0000 |
| M6 | 1 | 18mm | 25mm | 20mm | 40 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 0000 |
| M6 | 1 | 18mm | 25mm | 20mm | 110 | -40° to 170° | No | Hard | Yes | Black | Steel | __ | 00000000 | 0000 |
| M8 | 1.25 | 18mm | 30mm | 30mm | 30 | -10° to 150° | No | Medium | No | Black | Steel | __ | 0000000 | 0000 |
| M8 | 1.25 | 18mm | 30mm | 30mm | 140 | -40° to 170° | No | Hard | Yes | Black | Steel | __ | 00000000 | 0000 |
| M8 | 1.25 | 20mm | 30mm | 36mm | 70 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 0000 |
| M8 | 1.25 | 20mm | 30mm | 36mm | 140 | -40° to 170° | No | Hard | Yes | Black | Steel | __ | 0000000 | 0000 |
| M8 | 1.25 | 23mm | 35mm | 40mm | 60 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 0000 |
| M8 | 1.25 | 28mm | 50mm | 61mm | 160 | -10° to 150° | No | Medium | No | Black | Steel | __ | 0000000 | 00000 |
| M8 | 1.25 | 28mm | 50mm | 61mm | 340 | -40° to 170° | No | Hard | Yes | Black | Steel | __ | 00000000 | 00000 |
| M10 | 1.5 | 28mm | 50mm | 50mm | 210 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 00000 |
| M10 | 1.5 | 28mm | 50mm | 50mm | 250 | -40° to 170° | No | Hard | Yes | Black | Steel | __ | 00000000 | 00000 |
| M10 | 1.5 | 28mm | 50mm | 68mm | 190 | -10° to 150° | No | Medium | No | Black | Steel | __ | 0000000 | 00000 |
| M10 | 1.5 | 28mm | 50mm | 68mm | 430 | -40° to 170° | No | Hard | Yes | Black | Steel | __ | 00000000 | 00000 |
| M5 | 0.8 | 12mm | 10mm | 10mm | 13 | -40° to 170° | No | Medium | Yes | Black | Steel | __ | 00000000 | 0000 |
| M5 | 0.8 | 12mm | 10mm | 10mm | 25 | -40° to 170° | No | Hard | Yes | Black | Steel | __ | 00000000 | 0000 |
Rubber with Stainless Steel Base Plate | ||||||||||||||
| 1/4"-20 | __ | 1/2" | 3/4" | 1" | 22 | -40° to 170° | No | Medium | Yes | Black | Stainless Steel | __ | 00000000 | 0000 |
| 5/16"-18 | __ | 5/8" | 1 1/2" | 1 3/4" | 140 | -40° to 170° | No | Medium | Yes | Black | Stainless Steel | __ | 00000000 | 00000 |
| M6 | 1 | 18mm | 20mm | 15mm | 40 | -40° to 170° | No | Medium | Yes | Black | Stainless Steel | __ | 00000000 | 0000 |
| M6 | 1 | 18mm | 20mm | 24mm | 25 | -40° to 170° | No | Medium | Yes | Black | Stainless Steel | __ | 00000000 | 0000 |
| M8 | 1.25 | 18mm | 30mm | 30mm | 50 | -40° to 170° | No | Medium | Yes | Black | Stainless Steel | __ | 00000000 | 00000 |
| M8 | 1.25 | 20mm | 30mm | 36mm | 70 | -40° to 170° | No | Medium | Yes | Black | Stainless Steel | __ | 00000000 | 00000 |
| M5 | 0.8 | 12mm | 10mm | 10mm | 13 | -40° to 170° | No | Medium | Yes | Black | Stainless Steel | __ | 00000000 | 0000 |
| Pkg. | ||||||||||||||
Style 3 | ||||||||||||||
Rubber with Steel Base Plate | ||||||||||||||
| 1/4"-20 | __ | 1/2" | 1" | 1/2" | 25 | -10° to 150° | No | Medium | No | Black | Steel | 4 | 0000000 | 00000 |
Threaded-Stud Bumpers
Twist these bumpers into a threaded hole. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces.
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.
For technical drawings and 3-D models, click on a part number.
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.
| OD | Ht. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Choose a Color | Pkg. Qty. | Pkg. | |
Polyurethane Rubber | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 3/8" | 3/16" | 70° to 150° | Yes | Medium | Durometer 50A | Yes | Clear | 72 | 000000000 | 00000 |
| 3/4" | 9/16" | 70° to 150° | Yes | Medium Hard | Durometer 65A | Yes | 25 | 000000000 | 00000 | |
| 3/4" | 3/4" | 70° to 150° | Yes | Medium Hard | Durometer 65A | Yes | 25 | 000000000 | 00000 | |
| 13/16" | 7/8" | 70° to 150° | Yes | Medium Hard | Durometer 65A | Yes | 10 | 000000000 | 0000 | |
Load-Rated Threaded Bumpers
Select these bumpers for applications that require specific load capacities. All are reinforced with a 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 and conveyors. Mount these bumpers on a threaded stud. Bumpers with a medium and medium-soft rating offer a balance of cushioning and impact resistance. Bumpers with a hard rating withstand high levels of impact.
Rubber bumpers are abrasion resistant.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch | Dp. | OD | Ht. | Max. Load, lbs. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Style 2 | |||||||||||||
Rubber with Steel Base Plate | |||||||||||||
| M5 | 0.8 mm | 5mm | 10mm | 10mm | 10 | -40° to 170° | No | Medium Soft | Durometer 40A | Yes | Black | 00000000 | 00000 |
| M5 | 0.8 mm | 5mm | 10mm | 10mm | 13 | -40° to 170° | No | Medium | Durometer 55A | Yes | Black | 00000000 | 0000 |
| M5 | 0.8 mm | 5mm | 10mm | 10mm | 25 | -40° to 170° | No | Hard | Durometer 70A | Yes | Black | 00000000 | 0000 |
| M6 | 1 mm | 6mm | 20mm | 15mm | 29 | -40° to 170° | No | Medium Soft | Durometer 40A | Yes | Black | 00000000 | 0000 |
| M6 | 1 mm | 6mm | 20mm | 24mm | 18 | -40° to 170° | No | Medium Soft | Durometer 40A | Yes | Black | 00000000 | 0000 |
| M6 | 1 mm | 6mm | 20mm | 24mm | 22 | -20° to 150° | No | Medium | Durometer 55A | Yes | Black | 0000000 | 0000 |
| M6 | 1 mm | 6mm | 20mm | 24mm | 70 | -40° to 170° | No | Hard | Durometer 70A | Yes | Black | 00000000 | 0000 |
| M6 | 1 mm | 6mm | 25mm | 20mm | 42 | -40° to 170° | No | Medium | Durometer 55A | Yes | Black | 00000000 | 0000 |
| M6 | 1 mm | 6mm | 25mm | 20mm | 110 | -40° to 170° | No | Hard | Durometer 70A | Yes | Black | 00000000 | 0000 |
| M8 | 1.25 mm | 8mm | 30mm | 30mm | 30 | -20° to 150° | No | Medium | Durometer 55A | Yes | Black | 0000000 | 0000 |
| M8 | 1.25 mm | 8mm | 30mm | 30mm | 40 | -40° to 170° | No | Medium Soft | Durometer 40A | Yes | Black | 00000000 | 0000 |
| M8 | 1.25 mm | 8mm | 50mm | 61mm | 160 | -20° to 150° | No | Medium | Durometer 55A | Yes | Black | 0000000 | 00000 |
| M8 | 1.25 mm | 8mm | 50mm | 61mm | 340 | -40° to 170° | No | Hard | Durometer 70A | Yes | Black | 00000000 | 00000 |
| M10 | 1.5 mm | 10mm | 50mm | 68mm | 190 | -20° to 150° | No | Medium | Durometer 55A | Yes | Black | 0000000 | 00000 |
| M10 | 1.5 mm | 10mm | 50mm | 68mm | 430 | -40° to 170° | No | Hard | Durometer 70A | Yes | Black | 00000000 | 00000 |
| M12 | 1.75 mm | 12mm | 75mm | 89mm | 570 | -40° to 170° | No | Hard | Durometer 70A | Yes | Black | 00000000 | 00000 |