Countersunk washers are bowl-shaped, their concave shape can prevent the screws from damaging your carbon fiber frames or other soft material.
Flat and oval head screws sit flush within these washers for a neat, finished appearance.
Types: Countersunk Washers
Material: Aluminum alloy 6061
Surface treatment: anodic oxidation
Color: Royal blue, Green, Golden, Dark Red, Black, Silver, Purple, Rose Red, Sky blue, Orange (Customers who need other colors, please contact customer service)
Size (inner diameter): M2 M2.5 M3 M4 M5 M6 M8
Tolerance range: ±0.3mm
Suitable screws: countersunk screws
Customization: support customization
Features: light weight, anti-oxidation, high hardness, many colors.
1. Made of 6061 Aluminum Alloy, lightweight, strong hardness, secure.
2. Increase the parts' contact area with bolt or nut, prevent the part surface from being worn.
Countersunk washers are often used when installing or repairing wood trim to create a smooth finished appearance over and around the fastener assembly.
Our colorful countersunk washer also uses for FPV drones, Racing cars, automotive parts, engine parts and DIY modification, etc.