Hillman Grade 8 Hex Head Cap Screws, 5/8" x 3", 25-Pack

Heavy-duty Hillman hex head cap screws deliver Grade 8 strength for demanding assemblies. Heat-treated steel with a washer face under the head provides secure clamping and long-lasting wear resistance.

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Key Features:

• Grade 8 Strength: Heat-treated steel for high tensile performance in heavy-duty applications
• Washer Face Head: Built-in bearing surface under the hex head improves load distribution and sealing
• Partially Threaded Shank: Added shear strength where it matters; coarse thread for quick starts
• Durable Finish: Yellow dichromate/heat-treated finish enhances corrosion and wear resistance
• Bulk Convenience: 25-pack for jobsite efficiency and consistent hardware matching

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Specifications Table:

Specification	Details
Brand	Hillman
Diameter	5/8 inch
Length	3 inch
Head Type	Hex head with washer face
Material	Steel
Grade	Grade 8
Thread Type	Coarse
Threading	Partially threaded shank
Finish	Heat-treated yellow dichromate-style finish
Number in Package	25 pack
Packaging Type	Boxed
Tightening Method	Wrench or drill/driver
Category	Hex Bolts
Unit of Measurement	Imperial
Package Dimensions (L x W x H)	5.3 in x 4.3 in x 3.3 in
Package Weight	7.7 lbs

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Frequently Asked Questions (FAQ):

Q: What size are these screws?
A: They are 5/8 in. diameter by 3 in. length, coarse thread.

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Q: Are these fully threaded?
A: No. They are Grade 8 and partially threaded along the shank for added strength.

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Q: What tools are needed for installation?
A: Tighten with a wrench or compatible socket/driver on the hex head.

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Q: What material and finish are used?
A: Heat-treated steel with a yellow dichromate-style finish for strength and wear resistance.

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Q: How many are included?
A: This box contains 25 hex head cap screws.

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Industrial Strength, Streamlined Form

The bold geometry of a hex head brings a clean, purposeful rhythm to utility spaces. I love the subtle sheen of heat-treated steel—quietly powerful, impeccably functional. Use these Grade 8 cap screws to anchor butcher-block islands or exposed shelving for an honest, refined industrial note. They’re the precision detail that elevates hardworking design into everyday luxury.

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Choose these Grade 8 Hillman cap screws for reliable, heavy-duty fastening that lasts—add the 25-pack to your project list today.