About Durometer Hardness Scales
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About Vibration-Damping Mounts
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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.
SBR bumpers have good abrasion resistance. They're also nonmarking.
For technical drawings and 3-D models, click on a part number.
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 soft and extra-soft rating offer cushioning. The softer the bumper, the more it cushions.
Bumpers with a medium hardness rating offer a balance of cushioning and impact resistance.
Rubber bumpers are abrasion resistant. Those with a soft rating can be used outdoors.
Polyurethane bumpers have better abrasion resistance than rubber bumpers. They won't become brittle and crack when exposed to ozone.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Size | Lg. | OD | Ht. | Max. Load, lbs. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Nonmarking | Color | Stud Material | Each | |
Style 1 | ||||||||||||
Rubber with Steel Base Plate | ||||||||||||
| 6-32 | 3/8" | 13/32" | 1/2" | 1 | -10° to 150° | Yes | Soft | Yes | Black | Steel | 00000000 | 00000 |
Polyurethane Rubber with Steel Base Plate | ||||||||||||
| 6-32 | 3/8" | 13/32" | 1/2" | 8 | 60° to 160° | No | Medium | No | Black | Steel | 00000000 | 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 soft and extra-soft rating offer cushioning. The softer the bumper, the more it cushions. Bumpers with a medium and medium-soft rating offer a balance of cushioning and impact resistance.
Rubber bumpers are abrasion resistant. Those with a soft rating can be used outdoors.
Polyurethane bumpers have better abrasion resistance than rubber bumpers. They won't become brittle and crack when exposed to ozone.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Dp. | OD | Ht. | Max. Load, lbs. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Style 1 | ||||||||||||
Rubber with Steel Base Plate | ||||||||||||
| 6-32 | 3/16" | 13/32" | 1/2" | 0.6 | -10° to 150° | Yes | Soft | Durometer 19A | Yes | Black | 00000000 | 00000 |
Polyurethane Rubber with Steel Base Plate | ||||||||||||
| 6-32 | 3/16" | 13/32" | 1/2" | 4 | 60° to 100° | No | Medium | Durometer 48A | No | Black | 00000000 | 0000 |
General Purpose Vibration-Damping Sandwich Mounts with Stud and Insert
Use these rubber sandwich mounts to minimize vibration between surfaces inside machinery and equipment, such as in circuit boards, small fans, compressors, and pumps. They're for use in compression and shear load applications.
Neoprene rubber has good resistance to weather and acids and moderate resistance to oils.
Natural rubber has superior resistance to tears and abrasion as well as good flexibility in cold temperatures.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Capacity per Mount, lbs. | Deflection @ Capacity | Shear Capacity per Mount, lbs. | Deflection @ Shear Capacity | Dia. | Ht. | Thread Lg. | Thread Dp. | Hardness | Hardness Rating | Temperature Range, °F | Each | |
Neoprene Rubber with Zinc-Plated Steel Stud and Steel Insert | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6-32 | 3 | 0.07" | 2.5 | 0.1" | 7/16" | 3/4" | 1/4" | 1/8" | Durometer 50A | Medium | -20° to 180° | 000000000 | 00000 |
| 6-32 | 4 | 0.03" | 3.5 | 0.08" | 7/16" | 1/2" | 1/4" | 1/8" | Durometer 50A | Medium | -20° to 180° | 000000000 | 0000 |
| 6-32 | 4 | 0.04" | 3 | 0.1" | 7/16" | 5/8" | 1/4" | 1/8" | Durometer 50A | Medium | -20° to 180° | 000000000 | 0000 |
| 6-32 | 4 | 0.04" | 3.4 | 0.1" | 7/16" | 13/32" | 1/4" | 1/8" | Durometer 40A | Soft | -20° to 180° | 000000000 | 0000 |
| 6-32 | 5 | 0.01" | 4 | 0.05" | 3/8" | 5/16" | 3/8" | 5/32" | Durometer 70A | Hard | -20° to 180° | 000000000 | 0000 |
| 6-32 | 6 | 0.02" | 4.4 | 0.04" | 7/16" | 1/2" | 1/4" | 5/32" | Durometer 70A | Hard | -20° to 180° | 000000000 | 0000 |
| 6-32 | 14 | 0.04" | 6.5 | 0.1" | 7/16" | 13/32" | 1/4" | 1/8" | Durometer 70A | Hard | -20° to 180° | 000000000 | 0000 |
Natural Rubber with Zinc-Plated Steel Stud and Steel Insert | |||||||||||||
| 6-32 | 3.8 | 0.04" | 2.5 | 0.1" | 7/16" | 13/32" | 1/4" | 1/8" | Durometer 30A | Soft | -20° to 180° | 00000000 | 0000 |
General Purpose Vibration-Damping Sandwich Mounts with Studs
Use these rubber sandwich mounts to minimize vibration between surfaces inside machinery and equipment, such as in circuit boards, small fans, compressors, and pumps. They're for use in compression and shear load applications.
Neoprene rubber has good resistance to weather and acids and moderate resistance to oils.
Natural rubber has superior resistance to tears and abrasion as well as good flexibility in cold temperatures.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Capacity per Mount, lbs. | Deflection @ Capacity | Shear Capacity per Mount, lbs. | Deflection @ Shear Capacity | Dia. | Lg. | Wd. | Ht. | Thread Lg. | Hardness | Hardness Rating | Temp. Range, °F | Each | ||
Neoprene Rubber with Zinc-Plated Steel Stud | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 6-32 | 3 | 0.03" | Not Rated | Not Rated | __ | 3/16" | 3/16" | 1/4" | 1/2" | Durometer 50A | Medium | 10° to 180° | 00000000 | 00000 |
Natural Rubber with Zinc-Plated Steel Stud | |||||||||||||||
| 2 | 6-32 | 1 | 0.04" | 1 | 0.08" | 9/16" | __ | __ | 9/16" | 1/2" | Durometer 55A | Medium | -10° to 150° | 000000 | 00000 |
| 2 | 6-32 | 2 | 0.04" | 2 | 0.06" | 9/16" | __ | __ | 9/16" | 1/2" | Durometer 65A | Medium Hard | -10° to 150° | 000000 | 00000 |
| 3 | 6-32 | 3 | 0.03" | Not Rated | Not Rated | __ | 3/16" | 3/16" | 1/4" | 1/2" | Durometer 50A | Medium | -10° to 150° | 00000000 | 0000 |
Chemical-Resistant Vibration-Damping Sandwich Mounts with Stud and Insert
These mounts are made of polyurethane rubber, which withstands exposure to solvents, acids, and oils. Use them to minimize vibration between surfaces inside machinery and equipment, such as in circuit boards, small fans, compressors, and pumps.
58A durometer (medium hard) mounts are tough, yet flexible. Use them in compression and shear load applications.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Capacity per Mount, lbs. | Deflection @ Capacity | Shear Capacity per Mount, lbs. | Deflection @ Shear Capacity | Dia. | Ht. | Thread Lg. | Thread Dp. | Hardness | Temperature Range, °F | Each | |
Polyurethane Rubber with Zinc-Plated Steel Stud and Steel Insert | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6-32 | 4 | 0.02" | 2 | 0.16" | 3/8" | 1/2" | 3/8" | 3/16" | Durometer 58A | 55° to 105° | 00000000 | 00000 |
Chemical-Resistant Vibration-Damping Sandwich Mounts with Studs
These mounts are made of polyurethane rubber, which withstands exposure to solvents, acids, and oils. Use them to minimize vibration between surfaces inside machinery and equipment, such as in circuit boards, small fans, compressors, and pumps.
58A durometer (medium hard) mounts are tough, yet flexible. Use them in compression and shear load applications.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Capacity per Mount, lbs. | Deflection @ Capacity | Shear Capacity per Mount, lbs. | Deflection @ Shear Capacity | Dia. | Ht. | Thread Lg. | Hardness | Hardness Rating | Temp. Range, °F | Each | |
Polyurethane Rubber with Zinc-Plated Steel Stud | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6-32 | 8 | 0.03" | 3 | 0.24" | 3/8" | 1/2" | 3/8" | Durometer 58A | Medium | 55° to 105° | 00000000 | 00000 |