Hillman 1/2 in. Diameter x 5-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screws, Coarse Thread, 25-Pack

Regular price $61.99

/
Shipping calculated at checkout.

Hillman Grade 5 Hex Head Cap Screws, 1/2" x 5-1/2", 25-Pack

These Hillman Grade 5 hex head cap screws offer strong, reliable fastening for heavy-duty projects. Made from heat-treated steel with a zinc finish, they resist wear while the coarse thread and washer face under the head deliver solid grip and sealing.


Key Features:

  • Grade 5 Strength: Heat-treated steel provides high tensile strength for demanding applications
  • Corrosion-Resistant Finish: Zinc plating helps protect against rust and wear
  • Washer Face Under Head: Improved sealing and load distribution for secure fastening
  • Coarse Thread Design: Promotes fast installation and strong hold in tapped holes or with nuts
  • Versatile Use: Tighten with a wrench or drill; ideal wherever a hex bolt is required

Specifications Table:

Specification Details
Diameter 1/2 inch
Length 5-1/2 inch
Material Steel
Finish Heat Treated Zinc
Grade 5 (USS Grade 5)
Thread Type Coarse
Head Type Hex head with washer face
Number in Package 25 pack
Packaging Type Boxed
Tightening Method Wrench or drill

Frequently Asked Questions (FAQ):

Q: Are these fully or partially threaded?
A: They are partially threaded along the shank.


Q: What thread type do these screws use?
A: Coarse thread.


Q: What grade are the screws?
A: USS Grade 5.


Q: What material and finish are used?
A: Steel with a heat-treated zinc finish.


Q: How many screws are included?
A: 25 screws per pack.


Industrial polish with enduring strength

A streamlined hex profile paired with a zinc-kissed sheen brings a crisp, engineered elegance to utility builds. The Grade 5 composition delivers confident strength, while the washer-faced head adds a subtle, refined detail. Use these in exposed workshop shelving or steel-framed furniture to celebrate hardware as design. It’s the quiet hero that elevates everyday construction to luxurious, lasting form.


Choose Hillman Grade 5 hex cap screws for a durable, clean-looking fastener that secures your project with confidence.

*Third Party Trademarks

All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.

Why choose us

The Arbor Way

• Lowest Prices. Easy Online Shopping. Fast Delivery.

• No lines. No holds. No Hassles.

• America's Largest Inventory Network for All Home Improvement Supplies Nationwide.

• We deliver - town to town, door to door. 


Recently viewed

\