Square Washer, Fits Bolt Size 1/4 in, Low Carbon Steel Black Oxide Finish MPN:Z8926-BOX
Square Washer, Fits Bolt Size 1/4 in, Low Carbon Steel Black Oxide Finish
This square washer is designed to fit 1/4 inch bolts and features a low carbon steel black oxide finish for corrosion resistance. Made in the US, it meets dimensional standards AMPG 2017 SQ.01 and material quality standards ASTM A108. Its case-hardened steel construction provides durability and strength. Suitable for applications where a secure and reliable connection is required, such as in aerospace, automotive, and industrial settings. The washer's compact size and low weight make it ideal for use in tight spaces and where weight reduction is essential. Its corrosion-resistant finish ensures long-lasting performance in harsh environments.
Top product features:
- Corrosion-Resistant Finish
- Case Hardened for Increased Durability
- Black Oxide Finish for Low Visibility
Top product applications:
- Machine assembly requiring a square washer for precise alignment
- Automotive repair where a square washer is necessary for securing a bolt
- Construction projects where a square washer is needed to secure a bolt in a tight space
Square Washer, Dimensional Standards AMPG 2017 SQ.01, Material Steel, Material Grade/Class Case Hardened, Finish Black Oxide, For Screw Size 1/4 in, Inside Diameter 0.313 in, Outside Diameter Not Applicable, Maximum Thickness 1/8 in, System of Measurement Inch, Minimum Thickness 7/64 in, Color Black, Material Quality Standards ASTM A108, Pack Size Small Pack, Resistance Properties Corrosion-Resistant, Thickness Tolerance +/-0.031 in
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: EA
- Package Length: 4.10
- Package Width: 3.20
- Package Height: 0.20
- Package Weight: 0.14
Product info last updated on February 15, 2026 5:31pm UTC
Category: Washers