Countersunk Flat Washer
A Countersunk Flat Washer has a 90-degree counterbore that matches countersunk screws. This flat washer has a 6 mm inner diameter and a 18 mm outer diameter. The washer has a 1.6 mm thickness with a 1.0 mm deep counterbore.
Flush Surface Design
A Countersunk Flat Washer has a 90-degree counterbore that matches countersunk screws. This flat washer has a 6 mm inner diameter and a 18 mm outer diameter. The washer has a 1.6 mm thickness with a 1.0 mm deep counterbore. Many woodworking and metal fabrication shops use this washer for countersunk screws. The washer sits flush with the workpiece surface.
Even Load Distribution
The Countersunk Flat Washer has a 0.8 mm edge thickness for a smooth transition. The washer has a 8 mm seating surface for the screw head. The washer has a 0.5 mm radial clearance for screw alignment. The Countersunk Flat Washer is made from low-carbon steel with a bright zinc plating. The plating has a 6 micron thickness for corrosion resistance. This flat washer has a 3 year warranty against surface deformation.
|
Parameter |
Value |
|
Inner Diameter |
6 mm |
|
Outer Diameter |
18 mm |
|
Thickness |
1.6 mm |
|
Counterbore Depth |
1.0 mm |
|
Material |
Low-carbon steel |
Good for Screw Fastenings
A Countersunk Flat Washer is used with countersunk screws for a flush finish. This flat washer has a 3 year warranty on the counterbore concentricity. The washer has a 1.5 g weight for a 6 mm size. The washer has a 10 kN load capacity for soft material applications. The product has a 80°C continuous service temperature. Buy this flat washer for your assembly work. The flush design will give a professional appearance.
Customization Options
We offer custom sizes from 3 mm to 30 mm with various counterbore angles. We also provide custom materials including brass, stainless steel, and aluminum. Need a specific color? We offer black phosphate and nickel plating options.
Why Our R&D and Fast Delivery Help You
We have our own R&D team. You can share your special needs. We will help solve your technical problems. Free samples are ready for stock items. Mass production takes 2-3 weeks for standard parts. Custom products take 4 weeks. Repeat orders are even faster. The elongation rate for 65MN is ≥10%. So the washer will not crack during installation. It works with regular bolts, high-strength bolts, and stainless steel bolts. You do not need to change your tools.
The entire product line is fully customizable.
FAQ
Q: Why use a product instead of a normal washer?
A: The countersunk design matches the screw head profile. It provides a flush surface and prevents the screw head from protruding above the material surface.
Q: Can these washers be used with tapered head screws?
A: Yes, they are specifically designed for countersunk and flat-head screws. The counterbore angle is 90 degrees, which is the standard angle for metric and imperial countersunk screws.
Q: What is your tolerance on the inner diameter?
A: Our standard tolerance is +0.1/-0 mm. For precision applications, we offer a +0.05/-0 mm tolerance.
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