Flat washers are mainly used for nuts, bolts and screws from rotating and loosening due to vibration and friction. Designed for electrical repair factory maintenance, furniture repair, outdoor construction, automotive manufacturing, mechanical processing, pipeline connection, electronic equipment, machinery, marine uses.

Specification
Color: Black
Material: 304 Stainless Steel (18-8)
Inner Diameter: 10.6 mm/ 0.41 inch
Outer Diameter: 21 mm/ 0.82 inch
Thickness: 1.4 mm/ 0.05 inch
Package List: 10 Pcs x Flat Washers

Advantage
Corrosion-Resistant and Strong: Black Electroplated Flat Washers are made from 304 stainless steel and black zinc plated, ensuring long-term durability and resistance to rust, oxidation, and wear, greatly extending the service life of the gasket.
Tight Sealing Performance: Black flat gaskets exhibit sealing performance and can create a dependable seal under high-pressure and low-pressure environments.

Instruction
Select the appropriate screw or bolt. Slide the washer onto the fastener before tightening to distribute pressure evenly.

Note
Ensure the washer's inner diameter matches your screw/bolt size for optimal performance. Avoid excessive force when tightening to prevent deformation.