Hillman Grade 8 Hex Head Cap Screws, 3/4 in. x 3-1/2 in., 20-Pack

Heavy-duty Hillman hex head cap screws deliver Grade 8 strength for demanding assemblies. Made from heat-treated steel with a washer face and coarse threads, they’re ideal for securing machinery, automotive, and structural components.

Key Features:

• Grade 8 Strength: Heat-treated steel provides superior tensile strength for high-stress applications
• Coarse Thread: Ensures strong hold in tapped holes and with nuts; ideal for quick assembly
• Washer Face Head: Built-in bearing surface under the hex head improves seating and load distribution
• Partially Threaded Shank: Enhances shear strength where unthreaded grip is needed
• Bulk Convenience: 20-pack boxed for shop and jobsite efficiency

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What size are these bolts?
A: Each bolt is 3/4 in. diameter by 3-1/2 in. length.

Q: What grade are they?
A: Grade 8 heat-treated steel for high strength.

Q: What thread type do they have?
A: Coarse thread (USS).

Q: Are they fully threaded?
A: No, they are partially threaded along the shank.

Q: How many come in a box?
A: 20 bolts per pack.

Industrial Strength, Polished Precision

There’s a quiet elegance in hardware that performs beautifully. These Grade 8 hex cap screws bring a muscular, architectural presence—clean hex geometry with a confident, coarse thread. Style them as exposed fasteners on reclaimed timbers or steel frames for a refined industrial moment. Consider them the jewelry of hardworking spaces—small details that make luxury feel effortless.

Secure your next project with Grade 8 confidence—add this 20-pack of Hillman hex cap screws to your cart now.