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665 Church Street
Whitinsville, MA 01588
(508) 234-4545

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Uxbridge, MA 01569
(508) 278-5400

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82 Worcester Street
North Grafton, MA 01536
(508) 839-6526

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1050 General Edwards HWY
Sharon, MA 012067
(781) 806-0592

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476 Oak St. Indian
Orchard MA, 01151
(413) 543-4100

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243 Main St #6a
Dennis, MA 02638
(508) 595-8801

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  • HILLMAN 41579 Split Lock Washer, 5/16 in ID, Steel, Zinc-Plated

    SKU: H41579

    Brand: HILLMAN



    In stock for FREE pickup in Whitinsville

    Engineered to provide more uniform load distribution, split lock washers are great for any indoor and outdoor project. Ideal for situations where potential loosening from corrosion or vibration is a concern, split lock washers are used to prevent nuts and bolts from coming loose. These fasteners contain split ends that help lock into the mating material, thus providing a locking feature when tightened beneath a nut. The zinc finish provides moderate corrosion resistance. Use with treated lumber in applications with like nuts and bolts of similar diameter.

    Product Details

    Manufacturer: HILLMAN GROUP

    Manufacturer's Part Number: 41579

    Show me more Washers

    • Zinc finish for moderate corrosion resistance
    • Use with like nuts and bolts of similar diameter
    • For use with any indoor or outdoor project with treated lumber
    • Split ends grip the material surface to prevent loosening during vibration
    • Commonly used in applications using a bolt or a screw where two pieces are being joined together
    Finish Zinc-Plated
    Inside Diameter 5/16 in
    Material Steel