As of May 1, 2021 our website no longer supports Internet Explorer 11.

We recommend that you update your browser here.

Microsoft Edge | Firefox | Chrome

Free Domestic Shipping at $99

Finish Washer

Solid Body NFE 27-619

Stainless +Black Oxide, Turned

Buy in bulk & save
Select options above to see pricing.

This configuration is not available. Make another selection.

Detail & Specs

This configuration is not available. Make another selection.

Metric Countersunk Cup Finish Washer, Black Stainless Steel
Full Body Solid Turned Form

Countersunk finish washers have a 90 degree seat. Once installed, these washers sit proud of the work surface, creating a professional, smooth finish that discourages snagging or catching.

These washers are meant to be used with screws and bolts that have a countersunk 90 degree head: socket flat, Phillips flat, slotted flat, etc.

Can be used with machine thread, sheet metal thread and wood thread screws. Also known as countersunk washer, machined cupped finishing washer, rosette washer

Material: Stainless Steel 
Suitable for damp locations
Corrosion resistant

Finish: Black Oxide
Attractive matte black finish
Abrasion resistant, does not peel, chip or rub off
Reduces friction, prevents galling
Does not change the strength of the stainless steel
Practically no dimensional change to base fastener 

The black oxide coating per MIL-DTL-13924, Class 4 on 300 series corrosion resistant steel will show no signs of corrosion after 96 hours of exposure in a 5% salt spray (fog) test in accordance with ASTM B117.

AFNOR NFE 27-619 French National Standard

Stainless steel washers are commonly used in damp environments. They are popular across a wide range of industries: automotive, agriculture, architectural, sanitation, food processing, clean energy, etc.