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Material
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Hardness Rating
For Use Outdoors
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Export Control Classification Number (ECCN)
Minimum Temperature
Maximum Temperature
Reinforcement Type
Construction
Load-Rated Reinforced Threaded-Hole Bumpers
 |  |
Style 2 | Style 4 |
Tested to ensure they’ll bear the weight of your application, these bumpers support everything from a 50-pound saw to a 2,000-pound air compressor. They also help reduce vibration and protect whatever they're mounted to. All have a metal base plate for added strength and a longer life than all-rubber bumpers. Twist them onto a threaded stud on your equipment, or pair them with your own stud to create a custom-length bumper.
Natural Rubber with Steel Base Plate
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Style 2 |
These bumpers absorb impact well enough for most applications. However, they're not for use outdoors and break down when exposed to oil and harsh chemicals.
Hardness Rating—The harder the bumper, the better it withstands impact and abrasion over time. The softer the bumper, the more cushioning it provides for objects made of glass, soft metal, and other fragile materials. Bumpers with a medium rating offer a balance of impact resistance and cushioning.
Thread | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Size | Dp. | OD | Ht. | Max. Load, lb. | Deflection @ Cap. | Hardness | Hardness Rating | Color | Temp., ° F | Nonmarking | For Use Outdoors | Each | |||
Style 2 | |||||||||||||||
| 1/4"-20 | 1/4" | 31/32" | 1 1/4" | 33 | 0.25" | Durometer 55A | Medium | Black | -40 to 170 | Yes | No | 9377K446 | 00000 | ||
Oil-Resistant Buna-N with Steel Base Plate
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Style 4 |
These bumpers resist oil and fuels better than other rubber bumpers. Use them on frequently lubricated machinery and oily equipment, such as engines and pumps.
Hardness Rating—The harder the bumper, the better it withstands impact and abrasion over time. The softer the bumper, the more cushioning it provides for objects made of glass, soft metal, and other fragile materials. Bumpers with a medium rating offer a balance of impact resistance and cushioning.
Thread | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Size | Dp. | OD | Ht. | Max. Load, lb. | Deflection @ Cap. | Hardness | Hardness Rating | Color | Temp., ° F | Nonmarking | For Use Outdoors | Each | |||
Style 4 | |||||||||||||||
| 1/4"-20 | 1/4" | 31/32" | 13/16" | 95 | 0.21" | Durometer 55A | Medium | Black | -20 to 170 | Yes | No | 9377K518 | 00000 | ||
Oil-Resistant Buna-N with Corrosion-Resistant Stainless Steel Base Plate
|
Style 4 |
These bumpers resist oil and fuels better than other rubber bumpers. Use them on frequently lubricated machinery and oily equipment, such as engines and pumps.
Unlike bumpers with a steel base plate, these stand up to repeated washdowns without corroding.
Hardness Rating—The harder the bumper, the better it withstands impact and abrasion over time. The softer the bumper, the more cushioning it provides for objects made of glass, soft metal, and other fragile materials. Bumpers with a medium rating offer a balance of impact resistance and cushioning.
Thread | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Size | Dp. | OD | Ht. | Max. Load, lb. | Deflection @ Cap. | Hardness | Hardness Rating | Color | Temp., ° F | Nonmarking | For Use Outdoors | Each | |||
Style 4 | |||||||||||||||
| 1/4"-20 | 1/4" | 31/32" | 13/16" | 95 | 0.21" | Durometer 55A | Medium | Black | -20 to 170 | Yes | No | 9377K529 | 00000 | ||
Reinforced Unthreaded-Hole Bumpers
 |
Style 2 |
With a metal washer or base plate for added strength, these bumpers absorb heavier impacts for a longer service life than all-rubber bumpers. Install them with your own screw.
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|
Style 2 |
These bumpers absorb impact well enough for most applications. However, they're not for use outdoors and break down when exposed to oil and harsh chemicals.
Hardness Rating—The harder the bumper, the better it withstands impact and abrasion over time. The softer the bumper, the more cushioning it provides for objects made of glass, soft metal, and other fragile materials. Bumpers with a medium rating offer a balance of impact resistance and cushioning.
OD | Ht. | Mounting Hole Dia. | Mounting Surface Ht. | Counterbore Dia. | Hardness | Hardness Rating | Color | Temp., ° F | Washer Material | Nonmarking | For Use Outdoors | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style 2 | ||||||||||||||||
| 31/32" | 11/32" | 3/16" | 5/32" | 3/8" | Durometer 40A | Medium Soft | Black | 0 to 180 | Steel | Yes | No | 50 | 7982N58 | 000000 | ||
| 31/32" | 11/32" | 3/16" | 5/32" | 3/8" | Durometer 70A | Hard | Black | 0 to 180 | Steel | Yes | No | 50 | 9540K59 | 00000 | ||
Unthreaded-Hole Bumpers
|
Style 2 |
Install these with your own screw anywhere you need a bumper. In addition to protecting equipment and surfaces from dents and scuffs, they reduce noise from and wear on machinery.
Multipurpose SBR Rubber
|
Style 2 |
These bumpers absorb impact well enough for most applications. However, they're not for use outdoors and break down when exposed to oil and harsh chemicals.
Hardness Rating—The harder the bumper, the better it withstands impact and abrasion over time. The softer the bumper, the more cushioning it provides for objects made of glass, soft metal, and other fragile materials. Bumpers with a medium rating offer a balance of impact resistance and cushioning.
