5/16 in. Zinc-Plated SAE Acorn Nuts (100-Pack)

These Hillman SAE acorn (cap) nuts feature a zinc-plated steel construction for durability and a clean finish. The domed cap protects exposed bolt threads and offers a neat, finished look in mechanical, automotive, and DIY applications.

Key Features:

• Protective Dome Cap: Shields exposed bolt threads and prevents snagging or injury
• Durable Zinc-Plated Steel: Corrosion-resistant finish for indoor and general-purpose use
• SAE Coarse Thread: 5/16-18 thread for common fastening needs
• Clean Finished Appearance: Hex design with cap creates a polished look on visible installations
• Bulk Value Pack: 100 pieces for shop stock and project efficiency

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What thread size are these acorn nuts?
A: They are 5/16-18 SAE coarse thread.

Q: What material and finish are used?
A: They are steel with a zinc-plated finish for corrosion resistance.

Q: How many come in the package?
A: 100 acorn nuts per pack.

Q: Where are acorn nuts typically used?
A: They’re used where exposed bolt ends need protection and a finished look—furniture, automotive, machinery, and general DIY.

Q: Can these be used outdoors?
A: Zinc plating offers basic corrosion resistance; for harsh outdoor or marine environments, consider stainless steel.

A Polished Finish in One Simple Turn

The domed silhouette brings a tailored, bespoke finish to hardware moments that often go unnoticed. I love the subtle gleam of zinc-plated steel—it tidies up exposed threads with a refined gesture. Style them on visible furniture joints or open-shelf brackets for a crisp, intentional detail. An elegant essential that quietly elevates everyday construction.

Complete your project with a clean, safe finish—add this 100-pack of 5/16 in. Hillman acorn nuts to your cart today.