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DFARS Specialty Metals
Load-Rated Reinforced Threaded-Stud Bumpers
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Style 2 | Style 7 |
These bumpers are tested to ensure they'll support the load of your application. They'll bear the weight of everything from a 50-pound saw to a 5,000-pound air compressor. All have a metal base plate for added strength and a longer service life than all-rubber bumpers. No separate fasteners are needed—just twist them into a threaded hole.
Style 2
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Natural Rubber—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.
Stainless Steel Stud—Unlike bumpers with steel studs, these handle repeated washdowns without corroding.
Steel Stud—Durable and economical, these are the choice for most jobs.
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.
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Size | Lg., mm | OD, mm | Ht., mm | Max. Load, lb. | Hardness | Hardness Rating | Color | Temp., ° F | Nonmarking | For Use Outdoors | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Natural Rubber with Steel Stud and Base Plate | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 12 | 10 | 10 | 13 | Durometer 55A | Medium | Black | -40 to 170 | No | No | 00000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 12 | 10 | 10 | 25 | Durometer 70A | Hard | Black | -40 to 170 | No | No | 00000000 | 0000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Natural Rubber with Corrosion-Resistant Stainless Steel Stud and Base Plate | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 12 | 10 | 10 | 13 | Durometer 55A | Medium | Black | -40 to 170 | No | No | 00000000 | 0000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Style 7
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Oil-Resistant Buna-N—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.
Stainless Steel Stud—Unlike bumpers with steel studs, these handle repeated washdowns without corroding.
Steel Stud—Durable and economical, these are the choice for most jobs.
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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Size | Lg., mm | OD, mm | Ht. | Max. Load, lb. | Hardness | Hardness Rating | Color | Temp., ° F | Nonmarking | For Use Outdoors | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Oil-Resistant Buna-N with Steel Stud and Base Plate | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 6 | 19 | 5/8" | 25 | Durometer 55A | Medium | Black | -20 to 170 | No | No | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 10 | 19 | 5/8" | 25 | Durometer 55A | Medium | Black | -20 to 170 | No | No | 00000000 | 0000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 20 | 19 | 5/8" | 25 | Durometer 55A | Medium | Black | -20 to 170 | No | No | 00000000 | 0000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Oil-Resistant Buna-N with Corrosion-Resistant Stainless Steel Stud and Base Plate | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 6 | 19 | 5/8" | 25 | Durometer 55A | Medium | Black | -20 to 170 | No | No | 00000000 | 0000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 10 | 19 | 5/8" | 25 | Durometer 55A | Medium | Black | -20 to 170 | No | No | 00000000 | 0000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 20 | 19 | 5/8" | 25 | Durometer 55A | Medium | Black | -20 to 170 | No | No | 00000000 | 0000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Load-Rated Reinforced Threaded-Hole Bumpers
 |  |
Style 2 | Style 4 |
These bumpers are tested to ensure they'll support the load of your application. They'll bear the weight of everything from a 50-pound saw to a 2,000-pound air compressor. All have a metal base plate for added strength and a longer service 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.
Style 2
|  |
Natural Rubber—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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Size | Dp., mm | OD, mm | Ht., mm | Max. Load, lb. | Hardness | Hardness Rating | Color | Temp., ° F | Nonmarking | For Use Outdoors | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Natural Rubber with Steel Base Plate | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 5 | 10 | 10 | 10 | Durometer 40A | Medium Soft | Black | -40 to 170 | Yes | No | 00000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 5 | 10 | 10 | 13 | Durometer 55A | Medium | Black | -40 to 170 | Yes | No | 00000000 | 0000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 5 | 10 | 10 | 25 | Durometer 70A | Hard | Black | -40 to 170 | Yes | No | 00000000 | 0000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Style 4
|  |
Oil-Resistant Buna-N—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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Size | Dp., mm | OD, mm | Ht., mm | Max. Load, lb. | Hardness | Hardness Rating | Color | Temp., ° F | Nonmarking | For Use Outdoors | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Oil-Resistant Buna-N with Steel Base Plate | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 × 0.8 mm | 5 | 19 | 16 | 24 | Durometer 55A | Medium | Black | -20 to 170 | Yes | No | 00000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
