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General Purpose Washers
Steel
 |  |
Zinc-Yellow-Chromate-Plated Steel—With the same corrosion resistance as zinc-plated steel, these withstand occasional exposure to moisture.
Material Certificate—Washers include a report with a traceable lot number.
For Fastener Strength Grade/Class—If you require screws or nuts with a specific fastener strength rating, make sure your washer matches the grade or class.
For Screw Size | ID | OD | Thk. | For Fastener Strength Grade/Class | Specs. Met | Certificate Type | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Zinc-Yellow-Chromate-Plated Steel | |||||||||||
| 1/4" | 0.286" | 0.640" | 0.056" to 0.071" | SAE Grade 9 | ASME B18.21.1 | — | 50 | 90850A100 | 00000 | ||
| 5/16" | 0.349" | 0.703" | 0.056" to 0.071" | SAE Grade 9 | ASME B18.21.1 | — | 50 | 90850A150 | 00000 | ||
| 3/8" | 0.411" | 0.827" | 0.090" to 0.112" | SAE Grade 9 | — | — | 25 | 90850A200 | 00000 | ||
| 7/16" | 0.474" | 0.937" | 0.090" to 0.112" | SAE Grade 9 | — | — | 25 | 90850A250 | 00000 | ||
| 1/2" | 0.541" | 1.092" | 0.090" to 0.112" | SAE Grade 9 | ASME B18.21.1 | — | 10 | 90850A300 | 0000 | ||
| 9/16" | 0.599" | 1.186" | 0.090" to 0.112" | SAE Grade 9 | ASME B18.21.1 | — | 10 | 90850A110 | 0000 | ||
| 5/8" | 0.661" | 1.342" | 0.146" to 0.174" | SAE Grade 9 | — | — | 10 | 90850A350 | 0000 | ||
| 3/4" | 0.819" | 1.499" | 0.146" to 0.174" | SAE Grade 9 | — | — | 5 | 90850A400 | 0000 | ||
| 7/8" | 0.945" | 1.780" | 0.146" to 0.174" | SAE Grade 9 | — | Material Certificate | 5 | 90850A120 | 00000 | ||
| 1" | 1.069" | 2.030" | 0.146" to 0.174" | SAE Grade 9 | — | Material Certificate | 1 | 90850A130 | 0000 | ||
| 1 1/8" | 1.195" | 2.030" | 0.234" to 0.266" | SAE Grade 9 | — | — | 1 | 90850A140 | 0000 | ||
| 1 1/4" | 1.319" | 2.280" | 0.234" to 0.266" | SAE Grade 9 | — | — | 1 | 90850A160 | 0000 | ||
| 1 1/2" | 1.572" | 2.780" | 0.234" to 0.266" | SAE Grade 9 | — | — | 1 | 90850A170 | 0000 | ||
USS Washers
Steel
 |
Zinc-Yellow-Chromate-Plated Steel—With the same corrosion resistance as zinc-plated steel, these withstand occasional exposure to moisture.
For Fastener Strength Grade/Class—If you require screws or nuts with a specific fastener strength rating, make sure your washer matches the grade or class.
For Screw Size | ID | OD | Thk. | For Fastener Strength Grade/Class | Specs. Met | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|
Zinc-Yellow-Chromate-Plated Steel | ||||||||||
| 1/4" | 0.266" | 0.760" | 0.065" to 0.080" | SAE Grade 9 | ASME B18.21.1 | 10 | 90476A111 | 00000 | ||
| 5/16" | 0.329" | 0.885" | 0.079" to 0.093" | SAE Grade 9 | ASME B18.21.1 | 10 | 90476A112 | 0000 | ||
| 3/8" | 0.391" | 1.010" | 0.079" to 0.093" | SAE Grade 9 | ASME B18.21.1 | 10 | 90476A113 | 00000 | ||
| 7/16" | 0.454" | 1.260" | 0.090" to 0.106" | SAE Grade 9 | ASME B18.21.1 | 5 | 90476A117 | 0000 | ||
| 1/2" | 0.521" | 1.385" | 0.122" to 0.146" | SAE Grade 9 | ASME B18.21.1 | 1 | 90476A114 | 0000 | ||
| 9/16" | 0.583" | 1.510" | 0.122" to 0.146" | SAE Grade 9 | ASME B18.21.1 | 1 | 90476A118 | 0000 | ||
| 5/8" | 0.641" | 1.760" | 0.136" to 0.160" | SAE Grade 9 | ASME B18.21.1 | 1 | 90476A115 | 0000 | ||
| 3/4" | 0.770" | 2.015" | 0.136" to 0.160" | SAE Grade 9 | ASME B18.21.1 | 1 | 90476A116 | 0000 | ||
| 7/8" | 0.891" | 2.265" | 0.136" to 0.160" | SAE Grade 9 | ASME B18.21.1 | 1 | 90476A119 | 00000 | ||
| 1" | 1.081" | 2.515" | 0.136" to 0.160" | SAE Grade 9 | ASME B18.21.1 | 1 | 90476A121 | 00000 | ||
| 1 1/4" | 1.365" | 3.030" | 0.168" to 0.195" | SAE Grade 9 | ASME B18.21.1 | 1 | 90476A122 | 00000 | ||
SAE Washers
Steel
 |
Zinc-Yellow-Chromate-Plated Steel—With the same corrosion resistance as zinc-plated steel, these withstand occasional exposure to moisture.
For Fastener Strength Grade/Class—If you require screws or nuts with a specific fastener strength rating, make sure your washer matches the grade or class.
For Screw Size | ID | OD | Thk. | For Fastener Strength Grade/Class | Specs. Met | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|
Zinc-Yellow-Chromate-Plated Steel | ||||||||||
| 9/16" | 0.599" | 1.186" | 0.090" to 0.112" | SAE Grade 9 | ASME B18.21.1 | 10 | 98189A691 | 00000 | ||
| 7/8" | 0.945" | 1.780" | 0.146" to 0.174" | SAE Grade 9 | — | 5 | 98189A692 | 00000 | ||
| 1" | 1.069" | 2.030" | 0.146" to 0.174" | SAE Grade 9 | — | 1 | 98189A693 | 0000 | ||
| 1 1/8" | 1.195" | 2.030" | 0.234" to 0.266" | SAE Grade 9 | — | 1 | 98189A703 | 0000 | ||
| 1 1/4" | 1.319" | 2.280" | 0.234" to 0.266" | SAE Grade 9 | — | 1 | 98189A755 | 0000 | ||
| 1 1/2" | 1.572" | 2.780" | 0.234" to 0.266" | SAE Grade 9 | — | 1 | 98189A786 | 0000 | ||
