SKU: 14784948981

Hillman 5/16 in. Diameter x 1-1/4 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 100-Pack

Sale price$26.99 Regular price$29.99
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Description

Hillman 5/16 in. Diameter x 1-1/4 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 100-PackHillman Grade 5 Zinc Hex Head Cap Screws, 5 16 in. x 1 1 4 in., 100 Pack These Hillman hex head cap screws are Grade 5 steel with a heat treated zinc finish for strength and wear resistance. Sized 5 16 in. diameter by 1 1 4 in. length, they feature coarse threads and a washer face under the head for secure fastening in wood or metal applications. Key Features: Grade 5 Strength: Heat treated steel provides higher tensile strength for demanding projects

Hillman Grade 5 Zinc Hex Head Cap Screws, 5/16 in. x 1-1/4 in., 100-Pack

These Hillman hex head cap screws are Grade 5 steel with a heat-treated zinc finish for strength and wear resistance. Sized 5/16 in. diameter by 1-1/4 in. length, they feature coarse threads and a washer face under the head for secure fastening in wood or metal applications.


Key Features:

  • Grade 5 Strength: Heat-treated steel provides higher tensile strength for demanding projects
  • Corrosion-Resistant Finish: Zinc plating helps protect against rust and wear
  • Washer Face Head: Built-in bearing surface under the hex head improves sealing and load distribution
  • Coarse Thread Design: Reliable grip and easier starts in tapped holes or with nuts
  • Contractor Pack: 100-piece boxed pack for efficient stocking and jobsite use

Specifications Table:

Specification Details
Brand Hillman
Diameter 5/16 inch
Length 1-1/4 inch
Material Steel
Finish Heat-treated zinc
Grade Grade 5
Thread Type Coarse (USS)
Head Type Hex head with washer face
Threading Partially threaded shank
Units per Pack 100 (boxed)
Package Height 3.5 in
Package Width 4.3 in
Package Length 4.3 in
Package Weight 3.4 lbs

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: They are partially threaded along the shank, typical of Grade 5 hex cap screws.


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


Q: What is the thread type?
A: Coarse thread (USS).


Q: Can these be used outdoors?
A: The zinc finish offers basic corrosion resistance; for harsh or marine environments, consider stainless or hot-dipped galvanized fasteners.


Q: What size are these screws?
A: 5/16 inch diameter by 1-1/4 inch length.


A Polished Workhorse for Clean, Confident Connections

Crisp zinc sheen meets industrial rigor—these hex cap screws bring a tailored, utilitarian elegance to built-ins and exposed hardware moments. The washer-faced head sits neatly, creating a refined junction that feels intentional, not improvised. Style them with matte-black brackets or raw oak for a modern, mixed-material narrative. An essential, high-strength staple for projects where performance and polish must coexist.


Secure your projects with Grade 5 strength—add this 100-pack of Hillman zinc hex cap screws 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: 14784948981

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regina
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★★★★★ 3
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Color: Black/White, Size: Large
If you have a dog who likes to pop things then this toy isn't it. Within 5 min she had this ball popped. It was made to sound like it was durable for this type of thing but it definitely is not so just be aware. Now if you have a dog who doesn't pop things easy then this would be a good toy
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Reviewed in the United States on May 15, 2026
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Billie W
Cuba, US
★★★★★ 5
They last quite well, even out in weather.
Color: Black/White, Size: Medium
NY corgi loves these!
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Reviewed in the United States on May 31, 2026
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Joyce S.
Boise, US
★★★★★ 5
Dog can't pop it!
Color: Black/White, Size: Medium
Great toy would buy again!
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Reviewed in the United States on November 17, 2025
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Elaine Laventure
Birmingham, US
★★★★★ 4
WHAT I LEARNED
Color: U.S.A, Size: Medium
i AM NOT SURE THAT 4 STARS IS A FAIR SCORE, MY DOG IS AN AGGRESSIVE CHEWER, NEEDLESS TO SAY WITHIN 2 DAYS ALL THE TABS WERE OFF, BUT THERE WERE NUBS LEFT AND SHE CAN USE THAT. HERE IS A WHAT NOT TO DO, BRING IT TO THE DOG PARK, THEY ALL HAVE A BLAST BUT IF YOUR A BULLY/PIT MIX AND DECIDE TO SINK THEIR TEETH INTO IT, IT DOES DEFLAT. LESSONS LEARNED STILL A FUN TOY.
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Reviewed in the United States on May 13, 2026
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Draper, US
★★★★★ 5
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Color: Black/White, Size: Medium
Thick material so it won't pop so easy. Comes with a hand pump and 2 ball needles. Tabs for the dog to carry in his mouth. Although my dog bites the whole thing to carry. Savage loves it!
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Reviewed in the United States on February 4, 2026

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