External Tooth Lock Washer, For Screw Size #4 Stainless Steel, Plain Finish, 50 PK MPN:U51501.011.0001
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In Stock
SKU
510-G2950678
External Tooth Lock Washer, For Screw Size #4 Stainless Steel, Plain Finish, 50 PK
This External Tooth Lock Washer is a crucial component for securing and stabilizing screws in critical applications. Made from high-quality 410 stainless steel, it ensures durability and resistance to corrosion. The countersunk design and external teeth provide a secure grip on the screw, preventing it from coming loose under heavy loads or vibrations. Ideal for use in aerospace, automotive, and industrial settings where reliability and safety are paramount. With a plain finish and meeting ASME B18.21.1 standards, this lock washer offers peace of mind for engineers and manufacturers who demand the highest level of performance and consistency.
Top product features:
- Locks onto screw to prevent it from coming loose
- Countersunk design allows for flush installation
- Meets/exceeds ASME B18.21.1 standards for quality and reliability
Top product applications:
- Heavy Duty Equipment Assembly
- Automotive Repair and Maintenance
- Industrial Machinery Installation
Lock Washer, Countersunk External Tooth, Type A, 410 Stainless Steel, Fits Bolt Sizes #4, Inside Dia. 0.113 In., Outside Dia. 0.213 In., Thickness 0.015 In., Meets/Exceeds ASME B18.21.1, Package Quantity 50
Additional Information
- Country of Origin: ZZ
- 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: 6.69
- Package Width: 6.45
- Package Height: 0.50
- Package Weight: 0.01
Product info last updated on February 20, 2026 12:20am UTC
Category: Washers