Hillman 5/16 in. x 4 in. Zinc-Plated Hex Bolt (50-Pack)

Durable Grade 2 steel hex bolt set with a corrosion-resistant zinc-plated finish for general fastening applications. Each 5/16 in. diameter by 4 in. length bolt features partial threading for secure assembly in wood, metal, and construction projects.

Key Features:

• Corrosion Resistant: Zinc-plated steel helps prevent rust for indoor/outdoor general use.
• Reliable Strength: Grade 2 steel suitable for non-critical structural fastening.
• Standard Thread: 5/16"-18 coarse thread fits common nuts and pre-tapped holes.
• Convenient Value Pack: 50-count box for stocking the shop or jobsite.
• Versatile Applications: Ideal for machinery, furniture assembly, and construction projects.

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What is the thread size and pitch?
A: These bolts are 5/16"-18 coarse thread.

Q: Are these fully threaded?
A: No, they are partially threaded with a smooth shank section and threaded end.

Q: What grade are the bolts?
A: Grade 2 steel, suitable for general-purpose fastening.

Q: Can these be used outdoors?
A: The zinc-plated finish offers basic corrosion resistance; for harsh outdoor or marine environments, consider hot-dip galvanized or stainless steel.

Q: How many bolts are included?
A: 50 bolts per box.

Crisp Hardware That Quietly Elevates the Build

There’s a satisfying clarity to a polished hex bolt—clean lines, confident proportion, and a gleam that punctuates joinery with intention. The zinc-plated finish brings a subtle sheen that complements both raw timber and painted steel. Use these 4-inch bolts to create tailored, architectural moments in exposed hardware benches or utility shelving. It’s that refined, reliable detail that makes everyday construction feel effortlessly luxe.

Stock your shop with this 50-pack of Hillman hex bolts and tackle your next build with dependable, corrosion-resistant fastening.