Marson® Backup Washers
Shop our selection of Marson backup washers and rivet washers. Available in a variety of bolt sizes, including 3/16, 1/8 and 5/32 inches, Marson back up washers are ideal for soft materials and oversized holes. Marson is an industry leader for washers, so you can feel confident that they're of the highest quality. Shop Marson backup washers at Crest Fasteners now!
If an item shows Call for Price, ask for price and availability, as it may have lead time or is a special order item.
See the Marson Catalog.pdf - See the Marson Tools Brochure.pdf
If an item shows Call for Price, ask for price and availability, as it may have lead time or is a special order item.
See the Marson Catalog.pdf - See the Marson Tools Brochure.pdf
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CF-AS-10
- Marson, AS-10 Back-Up Washer 3/16 Inch, 0.196 Inch ID x 0.5 Inch OD x 0.048 Inch Thick, Round, Alu
- G
- 0
- Weight: 0.0007200
Size: | 0.196 Inch ID x 0.5 Inch OD x0.196 Inch ID x 0.5 Inch OD x |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Aluminum, PlainAluminum, Plain |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $0.0493 / EA

CF-AS-10-100
- Marson, AS-10-100 Back-Up Washer 3/16 Inch, 0.196 Inch ID x 0.5 Inch OD x 0.048 Inch Thick, Round,
- G
- 0
- Weight: 0.0010000
Size: | 0.196 Inch ID x 0.5 Inch OD x0.196 Inch ID x 0.5 Inch OD x |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Aluminum, Plain, 100/PackAluminum, Plain, 100/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- Call for Price

CF-AS-10-500
- Marson, AS-10-500 Back-Up Washer 3/16 Inch, 0.196 Inch ID x 0.5 Inch OD x 0.048 Inch Thick, Round,
- G
- 0
- Weight: 0.3600000
Size: | 0.196 Inch ID x 0.5 Inch OD x0.196 Inch ID x 0.5 Inch OD x |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Aluminum, Plain, 500/PackAluminum, Plain, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-AS-12
- Marson, AS-12 Back-Up Washer 1/4 Inch, 0.265 Inch ID x 0.500 Inch OD x 0.040 Inch Thick, Round, Al
- G
- 0
- Weight: 0.0010000
Size: | 0.265 Inch ID x 0.500 Inch OD0.265 Inch ID x 0.500 Inch OD |
Thick: | x 0.040 Inch Thick,x 0.040 Inch Thick, |
Style: | RoundRound |
Material: | Aluminum, PlainAluminum, Plain |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $0.0307 / EA

CF-AS-12-500
- Marson, AS-12-500 Back-Up Washer 1/4 Inch, 0.265 Inch ID x 0.500 Inch OD x 0.040 Inch Thick, Round
- G
- 0
- Weight: 0.0010000
Size: | 0.265 Inch ID x 0.500 Inch OD0.265 Inch ID x 0.500 Inch OD |
Thick: | x 0.040 Inch Thick,x 0.040 Inch Thick, |
Style: | RoundRound |
Material: | Aluminum, Plain, 500/PackAluminum, Plain, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-AS-8
- Marson, AS-8 Back-Up Washer 1/8 Inch, 0.131 Inch ID x 0.375 Inch OD x 0.048 Inch Thick, Round, Alu
- G
- 0
- Weight: 0.0006000
Size: | 0.131 Inch ID x 0.375 Inch OD0.131 Inch ID x 0.375 Inch OD |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Aluminum, PlainAluminum, Plain |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $0.0200 / EA

CF-AS-8-100
- Marson, AS-8-100 Back-Up Washer 1/8 Inch, 0.131 Inch ID x 0.375 Inch OD x 0.048 Inch Thick, Round,
- G
- 0
- Weight: 0.0010000
Size: | 0.131 Inch ID x 0.375 Inch OD0.131 Inch ID x 0.375 Inch OD |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Aluminum, Plain, 100/PackAluminum, Plain, 100/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-AS-8-500
- Marson, AS-8-500 Back-Up Washer 1/8 Inch, 0.131 Inch ID x 0.375 Inch OD x 0.048 Inch Thick, Round,
- G
- 0
- Weight: 0.2500000
Size: | 0.131 Inch ID x 0.375 Inch OD0.131 Inch ID x 0.375 Inch OD |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Aluminum, Plain, 500/PackAluminum, Plain, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-AS-9
- Marson, AS-9 Back-Up Washer 5/32 Inch, 0.172 Inch ID x 0.437 Inch OD x 0.048 Inch Thick, Round, Al
- G
- 0
- Weight: 0.0008000
Size: | 0.172 Inch ID x 0.437 Inch OD0.172 Inch ID x 0.437 Inch OD |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Aluminum, PlainAluminum, Plain |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $0.0207 / EA

CF-AS-9-500
- Marson, AS-9-500 Back-Up Washer 5/32 Inch, 0.172 Inch ID x 0.437 Inch OD x 0.048 Inch Thick, Round
- G
- 0
- Weight: 0.7500000
Size: | 0.172 Inch ID x 0.437 Inch OD0.172 Inch ID x 0.437 Inch OD |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Aluminum, Plain, 500/PackAluminum, Plain, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-SS-10
- Marson, SS-10 Back-Up Washer 3/16 Inch, 0.196 Inch ID x 0.5 Inch OD x 0.048 Inch Thick, Round Stee
- G
- 0
- Weight: 0.0010000
Size: | 0.196 Inch ID x 0.5 Inch OD x0.196 Inch ID x 0.5 Inch OD x |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Steel, ZincSteel, Zinc |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- Call for Price

CF-SS-10-100
- Marson, SS-10-100 Back-Up Washer 3/16 Inch, 0.196 Inch ID x 0.5 Inch OD x 0.048 Inch Thick, Round,
- G
- 0
- Weight: 0.2700000
Size: | 0.196 Inch ID x 0.5 Inch OD x0.196 Inch ID x 0.5 Inch OD x |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Steel, Zinc, 100/PackSteel, Zinc, 100/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- Call for Price

CF-SS-10-500
- Marson, SS-10-500 Back-Up Washer 3/16 Inch, 0.196 Inch ID x 0.5 Inch OD x 0.048 Inch Thick, Round,
- G
- 0
- Weight: 2.0000000
Size: | 0.196 Inch ID x 0.5 Inch OD x0.196 Inch ID x 0.5 Inch OD x |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Steel, Zinc, 500/PackSteel, Zinc, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-SS-12
- Marson, SS-12 Back-Up Washer 1/4 Inch, 0.265 Inch ID x 0.5 Inch OD x 0.062 Inch Thick, Round, Stee
- G
- 0
- Weight: 0.0010000
Size: | 0.265 Inch ID x 0.5 Inch OD x0.265 Inch ID x 0.5 Inch OD x |
Thick: | x 0.062 Inch Thick,x 0.062 Inch Thick, |
Style: | RoundRound |
Material: | Steel, ZincSteel, Zinc |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $0.0218 / EA

CF-SS-12-500
- Marson, SS-12-500 Back-Up Washer 1/4 Inch, 0.265 Inch ID x 0.5 Inch OD x 0.062 Inch Thick, Round,
- G
- 0
- Weight: 0.0023000
Size: | 0.265 Inch ID x 0.5 Inch OD x0.265 Inch ID x 0.5 Inch OD x |
Thick: | x 0.062 Inch Thick,x 0.062 Inch Thick, |
Style: | RoundRound |
Material: | Steel, Zinc, 500/PackSteel, Zinc, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-SS-3-500
- Marson, SS-3-500 Back-Up Washer 3/32 Inch, 0.094 Inch ID x 0.5 Inch OD, Square, Steel, Zinc, 500/P
- G
- 0
- Weight: 0.5000000
Size: | 0.094 Inch ID x 0.5 Inch OD,0.094 Inch ID x 0.5 Inch OD, |
Thick: | |
Style: | SquareSquare |
Material: | Steel, Zinc, 500/PackSteel, Zinc, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-SS-4
- Marson, SS-4 Back-Up Washer 1/8 Inch, 0.131 Inch ID x 0.5 Inch OD, Square, Steel, Zinc
- E
- 0
- Weight: 0.0010000
Size: | 0.131 Inch ID x 0.5 Inch OD,0.131 Inch ID x 0.5 Inch OD, |
Thick: | |
Style: | SquareSquare |
Material: | Steel, ZincSteel, Zinc |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- Call for Price

CF-SS-4-500
- Marson, SS-4-500 Back-Up Washer 1/8 Inch, 0.131 Inch ID x 0.5 Inch OD, Square, Steel, Zinc, 500/Pa
- G
- 0
- Weight: 0.0010000
Size: | 0.131 Inch ID x 0.5 Inch OD,0.131 Inch ID x 0.5 Inch OD, |
Thick: | |
Style: | SquareSquare |
Material: | Steel, Zinc, 500/PackSteel, Zinc, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-SS-6
- Marson, SS-6 Back-Up Washer 3/16 Inch, 0.196 Inch ID x 0.5 Inch OD, Square, Steel, Zinc
- G
- 0
- Weight: 0.0010000
Size: | 0.196 Inch ID x 0.5 Inch OD,0.196 Inch ID x 0.5 Inch OD, |
Thick: | |
Style: | SquareSquare |
Material: | Steel, ZincSteel, Zinc |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $0.0383 / EA

CF-SS-6-500
- Marson, SS-6-500 Back-Up Washer 3/16 Inch, 0.196 Inch ID x 0.5 Inch OD, Square, Steel, Zinc, 500/P
- G
- 0
- Weight: 1.5000000
Size: | 0.196 Inch ID x 0.5 Inch OD,0.196 Inch ID x 0.5 Inch OD, |
Thick: | |
Style: | SquareSquare |
Material: | Steel, Zinc, 500/PackSteel, Zinc, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-SS-8
- Marson, SS-8 Back-Up Washer 1/8 Inch, 0.131 Inch ID x 0.375 Inch OD x 0.048 Inch Thick, Round, Ste
- G
- 0
- Weight: 0.0015300
Size: | 0.131 Inch ID x 0.375 Inch OD0.131 Inch ID x 0.375 Inch OD |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Steel, ZincSteel, Zinc |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $0.0140 / EA

CF-SS-8-100
- Marson, SS-8-100 Back-Up Washer 1/8 Inch, 0.131 Inch ID x 0.375 Inch OD x 0.048 Inch Thick, Round,
- G
- 0
- Weight: 0.0010000
Size: | 0.131 Inch ID x 0.375 Inch OD0.131 Inch ID x 0.375 Inch OD |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Steel, Zinc, 100/PackSteel, Zinc, 100/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- Call for Price

CF-SS-8-500
- Marson, SS-8-500 Back-Up Washer 5/32 Inch, 0.131 Inch ID x 0.375 Inch OD x 0.048 Inch Thick, Round
- G
- 0
- Weight: 0.7609000
Size: | 0.131 Inch ID x 0.375 Inch OD0.131 Inch ID x 0.375 Inch OD |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Steel, Zinc, 500/PackSteel, Zinc, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $2.5452 / EA

CF-SS-9
- Marson, SS-9 Back-Up Washer 5/32 Inch, 0.172 Inch ID x 0.5 Inch OD x 0.048 Inch Thick, Round, Stee
- G
- 0
- Weight: 0.0021000
Size: | 0.172 Inch ID x 0.5 Inch OD x0.172 Inch ID x 0.5 Inch OD x |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Steel, ZincSteel, Zinc |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $0.0219 / EA

CF-SS-9-500
- Marson, SS-9-500 Back-Up Washer 5/32 Inch, 0.172 Inch ID x 0.5 Inch OD x 0.048 Inch Thick, Round,
- G
- 0
- Weight: 0.0021000
Size: | 0.172 Inch ID x 0.5 Inch OD x0.172 Inch ID x 0.5 Inch OD x |
Thick: | x 0.048 Inch Thick,x 0.048 Inch Thick, |
Style: | RoundRound |
Material: | Steel, Zinc, 500/PackSteel, Zinc, 500/Pack |
Ship: | Usually ships within 1 to 2 daysUsually ships within 1 to 2 days |
- $25.0015 / EA
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