Hillman Grade 8 Hex Head Cap Screws 5/8 in. x 5 in. (25-Pack)

Heavy-duty hex head cap screws made from heat-treated Grade 8 steel for high-strength fastening. Coarse-thread, partially threaded shank with washer face under the head for secure clamping in structural and automotive applications.

Key Features:

• Grade 8 Strength: Heat-treated steel provides high tensile strength for demanding loads
• Coarse Thread: Partially threaded shank offers strong hold and easier starts in tapped holes
• Washer Face Head: Built-in bearing surface under head improves seal and load distribution
• Durable Finish: Yellow dichromate treatment enhances wear and corrosion resistance
• Bulk Pack: 25 screws per box for efficient project and jobsite use

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What socket or wrench size do I need?
A: Use a wrench or socket sized for a 5/8 in. hex cap screw head per standard Grade 8 hex bolt dimensions.

Q: Are these fully threaded?
A: No, they are partially threaded along the shank to maximize shear strength.

Q: What thread type do these bolts have?
A: They have coarse threads suitable for general fastening and easier assembly.

Q: Can these be used outdoors?
A: The yellow dichromate finish offers added wear and corrosion resistance, but for long-term outdoor exposure consider additional protection as needed.

Q: How many bolts are included?
A: This boxed pack includes 25 hex head cap screws.

Industrial Strength with a Polished Edge

These Grade 8 hex cap screws bring a confident, architectural presence to utilitarian details. The bold hex head and warm yellow dichromate finish add a refined, engineered accent to exposed joints. Style them in open-shelf brackets or custom metal legs for a precise, gallery-worthy look. It’s the quiet luxury of hardware that performs as beautifully as it appears.

Upgrade your build with Grade 8 strength—add this 25-pack to your cart and fasten with confidence.