Hillman 5/8 in. diameter hot-dipped galvanized steel split lock washers are built to keep fasteners tight in challenging environments. This 100-pack, boxed set is ready for bulk jobs—from DIY projects to professional builds—where moisture, humidity, and vibration are a factor. The galvanized coating delivers lasting protection, so assemblies stay secure longer, even outdoors.
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Corrosion resistance: hot-dipped galvanized finish shields steel from rust and weathering, making them ideal for decks, fences, outdoor equipment, and other exposed work.
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Reliable locking action: the split design creates spring tension that bites into bolt threads and the mating surface, reducing loosening caused by vibration and repeated movement.
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Sturdy construction: made from durable steel to withstand repeated tightening and disassembly without losing integrity.
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Convenient packaging: 100 washers per box, designed for inventory management and bulk projects.
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Precise sizing: 5/8 in. outer diameter provides a versatile fit for common hardware assemblies, compatible with standard bolts and nuts used in a wide range of applications.
Use cases span the spectrum from backyard remodels to industrial installations. Pair these washers with outdoor decking screws, fence rails, metal enclosures, machinery mounts, or trailer components where vibration is a concern. For best results, place the washer between the nut and surface, then tighten to the manufacturer’s torque specification to maximize clamping force and prevent loosening over time.
Ideal for homeowners and professionals who value durability and consistency, these Hillman split lock washers deliver dependable performance across projects that demand resilient, corrosion-resistant hardware. Add the 5/8 in. hot-dipped galvanized steel split lock washers to your cart and secure fasteners with confidence, rain or shine.
