SKU: 9018861940

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

Sale price$62.09 Regular price$68.99
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Description

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

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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 9018861940

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★★★★★ 1
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Reviewed in the United States on April 2, 2026
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