Black Luster® Steel SAE Washers
DESCRIPTION - These Black Luster® Steel SAE Washers provide best in class decorative appearance and better corrosion resistance than black oxide and zinc plated finishes. Resistant to 1,000 hours of salt spray per ASTM B117*. Washers are primarily used to displace the load of a fastener head or a nut on a threaded joint. They can cover holes and act as spacers. These washers meet Society of Automotive Engineers specifications & generally have a smaller ID and OD than USS washers. Looking for a different size washer?
| Screw Size | Part No. | ID | OD | Min/Max Thickness |
|---|---|---|---|---|
| No. 2 | 4093 | .094” | .219” | .02”-.03” |
| No. 3 | 4094 | .109” | .250” | .02”-.03" |
| No. 4 | 4095 | .125” | .313” | .02”-.04” |
| No. 5 | 4096 | .141” | .281” | .02”-.04” |
| No. 6 | 4097 | .156” | .375” | .036”-.065” |
| No. 8 | 4098 | .188” | .438” | .036”-.065” |
| No. 10 | 4099 | .220” | .500” | .036”-.065” |
| No. 12 | 4100 | .250” | .562” | .051”-.080” |
| 1/4" | 4101 | .281” | .625” | .051”-.080” |
| 5/16" | 4102 | .344" | .688" | .051”-.080” |
| 3/8" | 4103 | .406” | .813" | .051”-.080” |
| 7/16" | 41035 | .469” | .922” | .051”-.080” |
| 1/2" | 4104 | .531" | 1.063" | .074"-.121 |
| 9/16" | 41045 | .594” | 1.156” | .074"-.121 |
| 5/8" | 4105 | .656" | 1.313" | .074"-.121 |
| 3/4" | 4106 | .183" | 1.469" | .108"-.160" |
| 7/8" | 4107 | .938" | 1.750" | .108"-.160" |
| 1" | 4108 | 1.063" | 2.000" | .108"-.160" |
| 1-1/8” | 4109 | 1.250” | 2.250” | .108”-.160” |
| 1-1/4” | 4111 | 2.500” | 2.500” | .136”-.192” |
| 1-3/8” | 4112 | 2.750” | 2.750” | .136”-.192” |
| 1-1/2” | 4113 | 1.625” | 3.000” | .136”-.192” |
