Hobson WRBRP025050 1/4" x 1/2" x 21G Imperial Flat Round Washer, Brass
Available
This page lists 13 items of the Hobson imperial flat round washer (brass): 1/8" to 3/8".
A flat round washer is fitted under a nut or bolt head to spread the clamping load over a larger area.
The supplier description or the Hobson stock list names BS3410 (manufacturer-stated).
The supplier item description lists each size as washer size, a second figure and a gauge without labels. Those figures are shown as listed, and outside diameter and gauge are labelled only where the store option states them (a higher gauge number is a thinner sheet).
Pack quantity varies by size and is shown for each item in the table.
Where this product is used
- Spreading the clamping load of a nut or bolt head over a larger area
- Protecting the surface under a nut or bolt head from marking
- Packing out a hole that is larger than the bolt or screw
Features
- 13 items: 1/8" to 3/8"
- Brass
- Dimensions labelled where the store option or stock list states them
- Pack quantity shown for each item
- BS3410 named for these items (manufacturer-stated)
Common specifications
| Specification | Detail |
|---|---|
| Sizes | 1/8" to 3/8" |
| Material | Brass |
| Standard | BS3410 (manufacturer-stated) |
Key specifications
| Model | Size | Outside diameter | Listed dimensions | Supplied as |
|---|---|---|---|---|
| WRBRP012031 | 1/8" | 5/16" | 1/8" x 5/16" x 21G | Pack of 200 |
| WRBRP012037 | 1/8" | 3/8" | 1/8" x 3/8" x 21G | Pack of 200 |
| WRBRP015037 | 5/32" | 3/8" | 5/32" x 3/8" x 21G | Pack of 200 |
| WRBRP015043 | 5/32" | 7/16" | 5/32" x 7/16" x 21G | Pack of 200 |
| WRBRP018043 | 3/16" | 7/16" | 3/16" x 7/16" x 21G | Pack of 200 |
| WRBRP018050 | 3/16" | 1/2" | 3/16" x 1/2" x 21G | Pack of 200 |
| WRBRP025050 | 1/4" | 1/2" | 1/4" x 1/2" x 21G | Pack of 100 |
| WRBRP025056 | 1/4" | 9/16" | 1/4" x 9/16" x 19G | Pack of 100 |
| WRBRP025062 | 1/4" | 5/8" | 1/4" x 5/8" x 19G | Pack of 100 |
| WRBRP031062 | 5/16" | 5/8" | 5/16" x 5/8" x 18G | Pack of 100 |
| WRBRP031075 | 5/16" | 3/4" | 5/16" x 3/4" x 18G | Pack of 100 |
| WRBRP037075 | 3/8" | 3/4" | 3/8" x 3/4" x 16G | Pack of 100 |
| WRBRP037087 | 3/8" | 7/8" | 3/8" x 7/8" x 18G | Pack of 100 |
Selecting the right option
Choose the washer by the bolt or screw size it is made for, then check the dimensions in the table against the space you have. For a similar washer in another material, finish or size range see Hobson Imperial Flat Round Washer, HEC Natural Nylon, #8 to 1" and Hobson Imperial Flat Round Washer, Mild Steel, Zinc Plated, 3/32" to 1-1/8".
Related products
Related washers: Hobson Imperial Flat Round Washer, HEC Natural Nylon, #8 to 1", Hobson Imperial Flat Round Washer, Mild Steel, Zinc Plated, 3/32" to 1-1/8" and Hobson Large Flat Round Supa Washer, Mild Steel, Hot Dip Galvanised, M6 to M48.
Resources
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1/2inch / 1/4
Model Number: WRBRP025050
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1/2inch / 3/16
Model Number: WRBRP018050
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3/4inch / 3/8
Model Number: WRBRP037075
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3/4inch / 5/16
Model Number: WRBRP031075
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3/8inch / 1/8
Model Number: WRBRP012037
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3/8inch / 5/32
Model Number: WRBRP015037
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5/8inch / 1/4
Model Number: WRBRP025062
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5/8inch / 5/16
Model Number: WRBRP031062
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5/16inch / 1/8
Model Number: WRBRP012031
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7/8inch / 3/8
Model Number: WRBRP037087
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7/16inch / 3/16
Model Number: WRBRP018043
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7/16inch / 5/32
Model Number: WRBRP015043
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9/16inch / 1/4
Model Number: WRBRP025056
