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Built for vibration-prone, outdoor applications, these Hillman split lock washers bite into the mating surface to help prevent nuts and bolts from loosening. Made of steel with a hot-dipped galvanized finish for superior corrosion resistance, they’re ideal for treated lumber and general construction.
| Specification | Details |
|---|---|
| Brand | Hillman |
| Diameter | 3/8 inch |
| Material | Steel |
| Finish | Hot-dipped galvanized |
| Number in Package | 100 |
| Packaging Type | Boxed |
| Category | Lock Washer |
| Unit of Measurement | Metric (per source listing) |
| Package Dimensions (L x W x H) | 1.8 in x 1.4 in x 1.5 in |
| Package Weight | 0.7 lb |
Q: What size hardware should I use with these washers?
A: Use with 3/8 in. diameter nuts and bolts for proper fit and performance.
Q: Are these suitable for outdoor use?
A: Yes. The hot-dipped galvanized finish provides strong corrosion resistance for outdoor and treated-lumber applications.
Q: How do split lock washers prevent loosening?
A: The split design bites into the mating surface when tightened beneath a nut, increasing friction to help keep fasteners secure during vibration.
Q: Can I mix these with stainless or other finishes?
A: For best corrosion performance, use with hardware of similar material/finish and the same 3/8 in. diameter.
Q: How many washers are included?
A: 100 washers per package.
There’s a quiet confidence in hardware that works as hard as it looks. These galvanized split lock washers bring a rugged, tactile texture that complements raw woods and cool metals, anchoring your outdoor structures with subtle sophistication. I love pairing them with matte bolts on exposed joinery for a refined, workshop-chic detail. Consider them a small yet essential luxury—performance and polish in a single turn.
Secure your projects with confidence—add this 100-pack of galvanized split lock washers to your cart today.
Ships within 48 hours · Estimated delivery Jun 25 - Jun 30
US$40
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