Internal Tooth Lock Washer, For Screw Size 3/8 in Steel, Zinc Plated Finish, 100 PK MPN:SIWIS0370HDUSA-100BX
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Free Shipping
In Stock
SKU
510-G1260637
Internal Tooth Lock Washer, For Screw Size 3/8 in Steel, Zinc Plated Finish, 100 PK
This internal tooth lock washer is designed for heavy-duty use with 3/8 inch steel bolts and nuts, making it ideal for applications in castings and heavy machinery. Its zinc-plated finish provides corrosion resistance and durability. With a Rockwell hardness of C50, this lock washer ensures a secure hold and can withstand heavy loads. Meets or exceeds ASME B18.21.1 standards, ensuring reliability and performance. Available in a pack of 100, this lock washer is perfect for industries that require high-strength fastening solutions, such as manufacturing, construction, and heavy equipment maintenance. Its compact size and high-strength design make it a reliable choice for demanding applications.
Top product features:
- Locks internal threads to prevent bolt or nut from coming loose
- Has internal teeth for secure locking
- Meets/exceeds ASME B18.21.1 standards for heavy-duty applications
Top product applications:
- Castings
- Heavy Machinery
- Heavy Bolts and Nuts
Lock Washer, Internal Tooth, Steel, Zinc Plated Finish, Fits Bolt Sizes 3/8 In, Inside Dia 0.398 In, Outside Dia 0.747 In, Thickness 0.047 In, Rockwell Hardness C50, Application For Castings and Heavy Machinery, For Use With Heavy Bolts and Nuts, Meets/Exceeds ASME B18.21.1, Package 100
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: 3.50
- Package Width: 2.10
- Package Height: 1.50
- Package Weight: 0.35
Product info last updated on April 4, 2026 8:06pm UTC
Category: Washers