What is countersunk washers ?
It is an accessory specially designed to protect countersunk head screws. It is a bowl-type locking washer with concave and convex shapes, also called finishing washers, flush countersunk washers or fisheye washers.
It is widely used in construction, automobile and motorcycle accessories, electrical equipment, household appliances and other fields.
Types of countersunk washers
The countersunk head washers we produce can be categorized based on their appearance into flat and tapered types.
Additionally, they are classified by material into stainless steel countersunk head washers, aluminum countersunk head washers, and brass countersunk head washers. Should you require washers made from other materials, we also offer customization options to meet your specific needs.
Similar to the Spherical Washer, the sides are tapered. Large contact area better disperses the tightening force of the screw.
Standard: DIN 6319
Size： M3 M4 M5 M6 M8 M10
Stainless steel countersunk washer, the bright surface is more beautiful. It can prevent corrosion without any surface treatment.
Standard: DIN 6319
Size： M3 M4 M5 M6 M8 M10
Aluminum countersunk head finishing washers are light in weight, rust-free and highly adaptable.
Standard: DIN 6319
Size： M3 M4 M5 M6 M8 M10
Brass material countersunk washers has strong electrical conductivity and is not easy to corrode, and has a beautiful appearance.
Standard: DIN 6319
Size： M3 M4 M5 M6 M8 M10
Various parameters of countersunk washer
- Finish countersunk washer size chart
- Surface Treatment
- Materials
- Countersunk washer grade
- Our certificate
- Customer Feedback
Plain, Galvanized, HDG, Nickel Plated, Copper plating, black oxidation, passivation, polishing， power coated and so on
Aluminum , Zinc alloy， carbon steel , 304 Stainless Steel, 316 Stainless Steel, Copper， Brass
4.8 grade、6.8 grade、 8.8 grade、10.9 grade、 12.9 grade
A2-70、A2-80、A4-70、A4-80
We not only have the necessary ISO and CE certification certificates in the industry, these certificates fully prove our international standardization level in product quality and management system. At the same time, we have also won a number of highly important honorary certificates, including China Integrity Entrepreneur, Service and Promise, Quality and Promise, Contract and Promise, and Quality and Service Integrity.
For the T&Y hardware industry, standard samples are free charge ,for new customers ,we required to pay for freight ,and charge will return after order confirm
For Standard carbon steel and stainless steel finishing washers, T&Y hardware processing time is in 10-15 days after confirming the order, if for special 316 stainless steel or brass countersunk washer , will last 25-30 days
TT, L/C, Westion Union, Paypal, Alibaba assurance payment are acceptable
We usually keep stock for standard items ,If not special items , No MOQ required
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