Hillman 5/16 in. Stainless Steel Split Lock Washer, 100-Pack

Regular price $15.49

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5/16 in. Stainless Steel Split Lock Washers (100)

These Hillman split lock washers provide secure fastening that resists loosening from vibration and torque. Made from 18-8 stainless steel for reliable corrosion resistance, they’re ideal for indoor or outdoor projects and pair with 5/16 in. nuts and bolts.


Key Features:

  • Vibration Resistance: Split design bites into surfaces to help prevent nuts and bolts from backing out
  • Durable Material: 18-8 stainless steel offers strong corrosion resistance for outdoor and treated-lumber use
  • Sized to Match: Fits 5/16 in. diameter bolts and nuts for consistent fastening
  • Bulk Convenience: 100-pack supplies jobsite or shop needs
  • Versatile Use: Suitable for mechanical, automotive, and general construction applications

Specifications Table:

Specification Details
Brand Hillman
Type Split Lock Washer
Diameter 5/16 inch
Material 18-8 Stainless Steel
Finish Stainless Steel
Number in Package 100 pack
Packaging Type Boxed
Recommended Use Use with like nuts and bolts of similar diameter; indoor/outdoor applications
Corrosion Resistance Good (18-8 stainless steel)
Package Height 1.2 in
Package Width 2.1 in
Package Length 2.2 in
Package Weight 1.8 lb

Frequently Asked Questions (FAQ):

Q: What size bolts do these washers fit?
A: They are designed for use with 5/16 in. diameter bolts and nuts.


Q: Are these suitable for outdoor applications?
A: Yes. They are 18-8 stainless steel, providing good corrosion resistance for outdoor use.


Q: How do split lock washers work?
A: The split ends compress and bite into the mating surfaces when tightened, helping prevent loosening from vibration.


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


Q: Can I use them with treated lumber?
A: Yes, stainless steel is suitable for use with treated lumber.


A Sleek, Industrial Detail with Purpose

These stainless split lock washers bring a refined utility to hardware moments, lending a subtle glint and steadfast grip. I love the clean, spiral break—an elegant gesture that quietly ensures stability. Style them with brushed steel bolts on exposed shelving or custom furniture for a crisp, tailored finish. It’s a small element that delivers luxe confidence to any crafted piece.


Secure your projects with corrosion-resistant holding power—add this 100-pack of stainless split lock washers to your cart today.

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