SKU: 40902314932

Hillman 5/16 in. Diameter x 2-1/2 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screws, Coarse Thread, 100-Pack

Sale price$53.99 Regular price$59.99
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Description

Hillman 5/16 in. Diameter x 2-1/2 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screws, Coarse Thread, 100-PackHillman Grade 8 Hex Head Cap Screws, 5 16" x 2 1 2", 100 Pack Heavy duty Grade 8 hex head cap screws engineered from heat treated steel for high strength fastening. Coarse thread design with washer face under the head ensures secure seating and reliable performance in demanding applications. Key Features: Grade 8 Strength: Heat treated steel delivers superior tensile strength for heavy duty projects Coarse Thread: Provides fast, secure engagement in

Hillman Grade 8 Hex Head Cap Screws, 5/16" x 2-1/2", 100-Pack

Heavy-duty Grade 8 hex head cap screws engineered from heat-treated steel for high-strength fastening. Coarse-thread design with washer face under the head ensures secure seating and reliable performance in demanding applications.


Key Features:

  • Grade 8 Strength: Heat-treated steel delivers superior tensile strength for heavy-duty projects
  • Coarse Thread: Provides fast, secure engagement in tapped holes or with hex nuts
  • Washer Face Head: Built-in washer face under the hex head improves sealing and load distribution
  • Partially Threaded Shank: Ideal for alignment and shear strength in bolted joints
  • 100-Pack Convenience: Boxed quantity for jobsite efficiency and bulk stocking

Specifications Table:

Specification Details
Brand Name Hillman
Material Steel
Finish Heat-treated yellow dichromate
Grade 8 (USS Grade 8)
Head Type Hex head with washer face
Diameter 5/16 inch
Length 2-1/2 inch
Thread Type Coarse (USS)
Threading Partially threaded
Number in Package 100
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. They are Grade 8 cap screws that are partially threaded along the shank.


Q: What tools are needed for installation?
A: Tighten with a wrench or a drill/driver equipped with the correct hex socket.


Q: Can these be used outdoors?
A: They are heat-treated steel with a yellow dichromate finish for wear resistance; for corrosive outdoor environments, consider additional coatings or appropriate washers.


Q: What thread type do these have?
A: Coarse thread (USS).


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


Industrial Strength with Sleek Utility

These Grade 8 hex cap screws bring a refined, utilitarian edge to any build, marrying strength with clean geometry. The washer-faced hex head offers a crisp silhouette while ensuring a flawless seat. Style them in exposed hardware applications for a subtle punch of industrial chic, or keep them concealed for uncompromising performance. A staple of luxurious, precision-crafted spaces.


Upgrade your fasteners to Grade 8 performance—add this 100-pack to your project and secure a stronger, longer-lasting build.

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: 40902314932

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e. wilson
Grantham, US
★★★★★ 4
The Only Thing He Hasn't TOTALLY Destroyed
Size: Large, Color: Ball-Blue
I've spent my hard earned money on SOOOO many "indestructible " toys. This one is actually pretty good. It has a duck sound inside for when the pet rolls the ball to get the treats. I didn't use it for the treats. I gave this toy 4-stars because my dog broke the sound box while chewing it. We pulled the pieces out and he LOVES it. Great for play,and comfort. Sometimes, he sleeps with it. I guess you could say it's his favorite 😍.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2024
L
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Lee
West Palm Beach, US
★★★★★ 5
Great balls of fun!
Size: Large, Color: Ball-Red
One of the best toys that was ever made! My wife likes to put little treats in there and I'll bat the ball around. The room gives their hours of entertainment. She puts little things like hands of corn i
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Reviewed in the United States on May 6, 2026
A
Verified Purchase
Amazon Customer
Cuba, US
★★★★★ 3
Choking hazard from Internal Pieces if Ball
Size: Large, Color: Ball-Blue
The Ball is Very Tough. However, the inside Parts Broke and Fall out and can be Choking Hazard.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
J
Verified Purchase
Jennifer Cobb
Los Angeles, US
★★★★★ 5
Great for chewers!
Size: Large, Color: Ball-Blue
We have a super high energy one year old pup who destroys practically every toy she gets. This one is excellent! It makes a fun but not annoying sound and she hasn’t been able to destroy it yet. The test hole is a fun addition to keep her busy.
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Reviewed in the United States on November 16, 2025
M
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Michelle S.
Grantham, US
★★★★★ 5
Very sturdy toy for aggressive chewers
Size: Large, Color: Bone-Blue
My 80-pound American Bully loves this toy. It is very sturdy. Good price. Highly recommend.
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Reviewed in the United States on April 24, 2026

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