Flat Washer, For Screw Size #4, 331 Stainless Steel Plain Finish, 25 PK MPN:WAS405#4
Flat Washer, For Screw Size #4, 331 Stainless Steel Plain Finish, 25 PK
This 331 stainless steel flat washer is designed for use with #4 screws, providing a secure and reliable fit in a variety of applications. With a plain finish and dimensional standards compliant with ANSI B18.21.1, these washers offer a high level of quality and consistency. They are ideal for use in industries such as aerospace, food processing, and pharmaceuticals where corrosion resistance is crucial. The 316 stainless steel material also provides excellent strength and durability, making these washers suitable for use in high-stress environments. They are available in small packs of 25, making them easy to store and use as needed.
Top product features:
- It is made of 331 Stainless Steel for durability and resistance to corrosion.
- It has a plain finish to provide a smooth surface for screw threading.
- It is designed to fit #4 screw size for secure fastening.
Top product applications:
- General-purpose fastening and assembly projects
- Automotive repair and maintenance
- Electrical and electronics assembly
SAE Washer, Flat Washer Type SAE, Dimensional Standards ANSI B18.21.1, Material Stainless Steel, Material Grade/Class 316, Finish Plain, For Screw Size #4, Inside Diameter 0.125 in, Outside Diameter 5/16 in, Maximum Thickness 0.04 in, System of Measurement Inch, Minimum Thickness 0.024 in, Inside Diameter Tolerance +/-0.010 in, Material Quality Standards ASTM A276, Outside Diameter Tolerance +/-0.010 in, Pack Size Small Pack
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 3.00
- Package Width: 1.30
- Package Height: 0.20
- Package Weight: 0.03
Product info last updated on February 5, 2026 4:35am UTC
Category: Washers