Countersunk Washer, Fits Bolt Size M4, Steel Black Oxide Finish, 5 PK MPN:Z9921
Countersunk Washer, Fits Bolt Size M4, Steel Black Oxide Finish, 5 PK
Elevate your projects with GoVets Select's M4 Countersunk Washer, precision-machined for a flawless fit. Suitable for use with flat and oval head screws, this steel washer boasts a robust black oxide finish, ensuring durability and resistance to corrosion. Its 90-degree countersink angle and tight tolerances guarantee a secure hold, making it ideal for applications in electronics, automotive, and industrial manufacturing. With a Rockwell hardness of C40 and a small pack size, this washer is perfect for prototyping, repair, or production runs. Order now and experience the quality and reliability that GoVets Select has to offer.
Top product features:
- Countersunk design allows for flush mounting with flat and oval head screws.
- Black oxide finish provides corrosion resistance.
- Rockwell hardness C40 ensures durability.
Top product applications:
- Automotive parts manufacturing
- Electronics assembly
- Aerospace engineering
Machined Countersunk Washer, Material Grade/Class Not Applicable, Material Steel, Finish Black Oxide, For Screw Size M4, Maximum Inside Diameter 4.3 mm, Outside Diameter 20 mm, Countersink Angle 90 Degrees , Overall Height 3 mm, System of Measurement Metric, Color Black, Dimensional Standards RoHS Compliant, For Use With Flat and Oval Head Screws, Industry Standards AMPG 2002 FIN.31, Minimum Inside Diameter 4.3 mm, Pack Size Small Pack, Rockwell Hardness C40, Thickness Tolerance +/-0.3 mm
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 10 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 3.00
- Package Width: 0.70
- Package Height: 0.30
- Package Weight: 0.07
Product info last updated on February 6, 2026 11:35pm UTC
Category: Washers