SKU: 26563514449

Hillman 7/16 in. Diameter x 1-1/4 in. Length Grade 8 Heat‑Treated Steel Hex Head Cap Screws, Coarse Thread, 50-Pack

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Description

Hillman 7/16 in. Diameter x 1-1/4 in. Length Grade 8 Heat‑Treated Steel Hex Head Cap Screws, Coarse Thread, 50-PackHillman Grade 8 Hex Head Cap Screws 7 16 in. x 1 1 4 in., 50 Pack Heavy duty Grade 8 hex head cap screws for structural and machinery applications. Made of heat treated steel with a washer face under the head and coarse threads for secure fastening and long lasting strength. Key Features: Grade 8 Strength: Heat treated steel delivers high tensile strength for demanding projects Coarse Thread: Reliable grip and faster assembly in tapped holes or with

Hillman Grade 8 Hex Head Cap Screws 7/16 in. x 1-1/4 in., 50-Pack

Heavy-duty Grade 8 hex head cap screws for structural and machinery applications. Made of heat-treated steel with a washer face under the head and coarse threads for secure fastening and long-lasting strength.


Key Features:

  • Grade 8 Strength: Heat-treated steel delivers high tensile strength for demanding projects
  • Coarse Thread: Reliable grip and faster assembly in tapped holes or with nuts
  • Washer Face Under Head: Helps provide a better seal and load distribution
  • Partially Threaded Shank: Adds shear strength where it counts
  • Bulk Convenience: 50-pack for shop, jobsite, or maintenance stock

Specifications Table:

Specification Details
Size (Diameter x Length) 7/16 in x 1-1/4 in
Material Steel
Grade 8
Finish Heat-treated; yellow dichromate
Head Type Hex head with washer face
Thread Type Coarse (USS)
Threading Partially threaded shank
Number in Package 50 pack
Packaging Type Boxed
Use For use with a nut or in a tapped hole; tighten with a wrench or drill

Frequently Asked Questions (FAQ):

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


Q: What thread type do they use?
A: Coarse thread (USS).


Q: What tools are needed for installation?
A: Tighten with a wrench or compatible driver on the hex head; use with a nut or tapped hole.


Q: What is the size?
A: 7/16 inch diameter by 1-1/4 inch length.


Q: What is included in the package?
A: A boxed 50-pack of Hillman Grade 8 hex head cap screws.


Industrial Strength, Refined Utility

These Grade 8 hex cap screws bring a crisp, engineered precision to any project, the kind of detail that quietly elevates a space. The heat‑treated steel and bold, coarse thread feel confidently architectural. Decant a few into a clear jar on an open shelf in the workshop for a utilitarian vignette that celebrates craft. Their robust presence is a small but essential note in the symphony of luxurious, well-made living.


Stock your toolbox with these Grade 8 Hillman hex cap screws for reliable, heavy-duty fastening on every project.

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: 26563514449

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Albert D. Lodovichetti
Grantham, US
★★★★★ 4
Good Txu
Number of Items: 1
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Reviewed in the United States on May 13, 2026
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gerald johnson
Boise, US
★★★★★ 5
GDI ally.
Number of Items: 1
Seems to be effective at reducing oil consumption issue common in many GDI engines.
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Reviewed in the United States on May 2, 2026
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Lonnie S.
Belleville, US
★★★★★ 5
I would highly recommend this product.
Number of Items: 1
I’m going to purchase this product again. I drive a lot and it’s perfect for me and yes, it does work in my opinion. I noticed a difference right away after the oil change. My vehicle was much smoother.
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Reviewed in the United States on May 15, 2026
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Geoffrey Marsh
Birmingham, US
★★★★★ 5
Great for Subaru oil consumption
Number of Items: 1, Number of Items: 1
Got this for my 2015 Subaru outback for its notorious oil consumption. It seems to be doing the trick causing less oil consumption after 1k miles noticable difference for sure.
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Reviewed in the United States on January 4, 2026
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GEORGE A SNARSKI
Fort Morgan, US
★★★★★ 5
great for any engin
Size: 12 fl. oz. (Pack of 1)
Have been looking for this for a long time.i always used when i had a ,chevy 327,300.3speed.the engin always run great and when we changed the value cover gaskests the inside look like brand new,and clean.
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Reviewed in the United States on May 31, 2026

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