Hillman 5/8 in. Dia x 2-1/2 in. L Grade 8 Heat-Treated Steel Hex Head Cap Screws, Coarse Thread (25-Pack)

Regular price $68.99

/
Shipping calculated at checkout.

Hillman Grade 8 Hex Head Cap Screws, 5/8 in. x 2-1/2 in., 25-Pack

Heavy-duty Grade 8 hex cap screws built from heat-treated steel for high-strength fastening. The 5/8 in. diameter, 2-1/2 in. length bolts feature coarse threads and a washer face under the head for a secure, durable hold in structural applications.


Key Features:

  • High-Strength Grade 8: Heat-treated steel delivers superior tensile strength for demanding projects
  • Coarse Thread Grip: Partially threaded shank ensures strong engagement in tapped holes or with nuts
  • Washer Face Under Head: Provides better seating and load distribution
  • Durable Finish: Yellow dichromate treatment enhances wear and corrosion resistance
  • Contractor Pack: 25-piece boxed pack for jobsite efficiency

Specifications Table:

Specification Details
Diameter 5/8 inch
Length 2-1/2 inch
Material Steel
Grade Grade 8
Finish Heat-treated yellow dichromate
Thread Type Coarse
Threading Partially threaded shank
Head Type Hex head with washer face
Pieces per Pack 25
Packaging Type Boxed
Tightening Method Wrench or drill/driver socket

Frequently Asked Questions (FAQ):

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


Q: What tools are needed for installation?
A: Tighten using a wrench or a compatible socket/driver.


Q: What grade are these bolts?
A: Grade 8, suitable for high-strength applications.


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


Q: What is the size?
A: Each bolt is 5/8 in. diameter by 2-1/2 in. length.


Industrial Strength, Clean Hardware Presence

These Grade 8 hex cap screws bring a crisp, utilitarian polish to exposed fastener moments. The bold head and warm yellow dichromate finish create a subtle accent against raw woods and dark metals. Try them on open shelving brackets or custom fixtures where hardware becomes part of the story. It’s a small detail that telegraphs strength—and luxury—in every turn.


Secure your build with Grade 8 reliability—add this 25-pack to your cart today.

*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

\