Lock Washers (42 items found)

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    Ace Hardware helps you secure every project with reliable hardware solutions. Split lock washers provide essential tension to keep fasteners from loosening during vibration or heavy movement. Whether you are repairing a lawnmower or building a deck, these components help ensure a long-lasting and stable connection.

    Split Lock Washers for Project Stability

    Using the correct lock washer helps ensure that your mechanical assemblies remain stable and safe over time. Learn more about essential washer features and specifications before making your decision.

    Mechanical Benefits and Design

    Helical split lock washers are designed with a slight curve that creates spring tension when tightened against a flat surface. This tension increases the friction between the threads of nuts and hex bolts, making it much harder for the fastener to rotate freely and back out. This feature is particularly useful for equipment that experiences constant motion, such as small engines, heavy machinery and household appliances. By applying constant pressure, these washers help maintain the original torque settings of your assembly.

    Material Selection for Environmental Protection

    The environment where your project is located typically dictates the best material choice for your fasteners.

    • Zinc-plated steel or zinc-plated low carbon steel options may provide sufficient protection against light wear in dry, climate-controlled areas. These finishes are common for nuts and boltsused in furniture or indoor workshop projects.
    • Stainless steel and hot-dipped galvanized steel typically offer high corrosion resistance for outdoor play sets, garden structures or coastal environments.
    • Yellow dichromate steel options often provide a distinct finish used in specialized automotive and industrial repairs.

    Fastener Compatibility and Sizing

    Ensuring a proper fit requires matching the washer diameter to the shank of your bolt precisely.

    • Available sizes may include small No. 6, No. 8 and No. 10 options for precision work.
    • Standard fractional sizes typically include 1/4 in., 5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 3/4 in. and 7/8 in. for construction tasks.
    • Selections often include decimal measurements such as 0.15 in., 0.19 in. and 0.47 in. for a precise match with specific U-boltsor carriage bolt

    Bulk Lock Washer Quantities and Packaging Options

    The scale of your project often determines the pack size to choose for your workshop. For simple home repairs, single or 20 pk, 25 pk or 30 pk options are typically sufficient. These smaller quantities allow you to buy what you need without managing excess inventory for a one-time fix.

    For larger installations or professional needs, bulk options may include 100 pc, 700 pc and 1500+ pc counts. Having a large supply of washers on hand lets complete high-volume assembly work without frequent trips for more supplies.

    Shop Lock Washers Near You at Ace Hardware

    Browsing our online store allows you to view detailed specifications and compare different material finishes from your home or office. Visiting your local store provides the chance to see our inventory in person and receive helpful advice from our experienced staff about hardware solutions. You can find a wide variety of lock washers near you or online today to finish your project.