Hillman 5/16 in. Yellow Dichromate Split Lock Washers (100-Pack)

These Grade 8 Hillman split lock washers provide reliable vibration resistance for bolted joints. Made from steel with a yellow dichromate finish, they help prevent nuts and bolts from loosening in demanding indoor or outdoor applications.

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Key Features:

• Vibration Resistance: Split ends bite into the mating surface to help prevent loosening under vibration.
• Durable Construction: Grade 8 steel delivers high strength for heavy-duty fastening.
• Corrosion Protection: Yellow dichromate finish offers moderate corrosion resistance.
• Sized for 5/16 in. Fasteners: Ideal for use with matching nuts and bolts.
• Bulk 100-Pack: Convenient quantity for jobsites and workshops.

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Specifications Table:

Specification	Details
Brand	Hillman
Washer Type	Split lock washer
Diameter	5/16 inch
Material	Steel
Finish	Yellow Dichromate
Grade	Grade 8
Count	100 pack
Packaging Type	Boxed
Intended Use	Prevents loosening from vibration; use with like nuts and bolts of similar diameter
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	0.5 lb

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Frequently Asked Questions (FAQ):

Q: What size fasteners do these washers fit?
A: They are designed for 5/16 in. diameter bolts or screws.

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Q: Are these suitable for outdoor use?
A: Yes. The yellow dichromate finish offers moderate corrosion resistance suitable for many outdoor applications.

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Q: What grade are these washers?
A: They are Grade 8 for high-strength applications.

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Q: How do split lock washers work?
A: The split ring compresses as the nut tightens; its edges grip the surface to resist loosening from vibration.

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Q: How many washers are in the pack?
A: 100 washers per pack.

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Industrial Polish with Purpose

These split lock washers bring a refined, utilitarian edge to any project, lending a subtle flash of yellow dichromate that feels both engineered and intentional. I love their compact spiral form—like a tiny cuff of metal that quietly ensures everything stays impeccably in place. Style them with matching zinc hardware on exposed shelving or a raw wood workbench to celebrate the honest beauty of construction. Consider them the discreet guardians of a well-finished, luxe space.

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Secure your builds with confidence—add this 100-pack of Hillman 5/16 in. split lock washers to your cart today.