Hillman 3/8" x 3/4" Zinc Steel Hex Head Cap Screw (100-Pack)

Durable Grade 5 hex head cap screws for reliable fastening in wood, metal, and machinery. Heat-treated zinc-plated steel resists corrosion while delivering strong clamping force for everyday construction and repair jobs.

Key Features:

• Heavy-Duty Strength: Grade 5, heat-treated steel provides dependable tensile strength for structural fastening
• Corrosion Resistant: Zinc-plated finish helps protect against rust in indoor and sheltered outdoor applications
• Precise Fit: 3/8"-16 coarse thread for secure engagement with standard nuts and tapped holes
• Clean Hex Drive: Hex head allows high torque with wrench or socket for quick, confident installs
• Bulk Value Pack: 100-piece box supports jobsite, shop, or inventory needs

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What grade are these bolts?
A: They are Grade 5 heat-treated steel for medium-high strength applications.

Q: What is the thread specification?
A: 3/8"-16 coarse thread.

Q: Are these suitable for outdoor use?
A: The zinc plating offers basic corrosion resistance; for harsh or exposed environments, consider hot-dip galvanized or stainless steel.

Q: Do they include nuts or washers?
A: No, this pack includes hex head cap screws only.

Q: What tools are needed for installation?
A: Use a matching-size wrench or socket on the hex head; pre-drill/tap 3/8"-16 holes or pair with 3/8"-16 nuts.

Industrial polish with purposeful strength

Sleek zinc tones bring a refined utility to projects where every detail matters. The crisp hex head and tight threads feel engineered—clean, efficient, and confident. Style open shelving or metal brackets with these for a subtle glint that complements raw woods and matte blacks. A small hardware choice that elevates the finish of a space with quiet luxury.

Outfit your next build with dependable, corrosion-resistant fasteners—add this 100-pack of Hillman Grade 5 cap screws to your cart today.