SKU: 6791821376

Hillman 3/8 in. Dia x 1-1/2 in. L Heat-Treated Zinc Steel Hex Head Cap Screw, 100-Pack

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Description

Hillman 3/8 in. Dia x 1-1/2 in. L Heat-Treated Zinc Steel Hex Head Cap Screw, 100-PackHillman Grade 5 Hex Head Cap Screw, 3 8 in. x 1 1 2 in., 100 Pack Heavy duty hex head cap screws engineered from heat treated zinc plated steel for strong, wear resistant fastening. Grade 5 strength with partially threaded shank and washer face under the head delivers secure clamping in machinery, automotive, and structural applications. Key Features: Grade 5 Strength: Heat treated steel provides robust tensile strength for demanding projects

Hillman Grade 5 Hex Head Cap Screw, 3/8 in. x 1-1/2 in., 100-Pack

Heavy-duty hex head cap screws engineered from heat-treated zinc-plated steel for strong, wear-resistant fastening. Grade 5 strength with partially threaded shank and washer face under the head delivers secure clamping in machinery, automotive, and structural applications.


Key Features:

  • Grade 5 Strength: Heat-treated steel provides robust tensile strength for demanding projects
  • Corrosion-Resistant Finish: Zinc plating helps protect against rust and wear
  • Washer Face Head: Built-in washer face improves seal and load distribution under the head
  • Partially Threaded Shank: Coarse threads with an unthreaded section for precise alignment and strong clamping
  • Versatile Use: Ideal for use with a nut or tapped hole; tighten with a wrench or drill

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 1-1/2 inch
Material Steel
Finish Heat Treated Zinc
Grade Grade 5
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded along shank
Number in Package 100
Packaging Type Boxed
Use For use with a nut or in a tapped hole; tighten with a wrench or drill
Package Height 3.5 in
Package Width 4.3 in
Package Length 4.3 in
Package Weight 5.6 lbs

Frequently Asked Questions (FAQ):

Q: Are these fully or partially threaded?
A: They are Grade 5 cap screws with a partially threaded shank and coarse thread.


Q: What size and length are the screws?
A: Each screw is 3/8 inch diameter and 1-1/2 inch length.


Q: Can these be used outdoors?
A: The zinc finish offers basic corrosion resistance, suitable for many indoor and light outdoor applications; for harsh environments, consider galvanized or stainless options.


Q: Do they have a built-in washer?
A: They feature a washer face under the hex head to improve sealing and load distribution.


Q: How many are in the box?
A: The package contains 100 screws.


Industrial polish that anchors the look

These hex cap screws bring a crisp, tailored hardware detail that feels both utilitarian and refined. The zinc sheen adds a subtle gleam, while the washer-faced head creates a clean, purposeful silhouette. Use them to unify exposed-joint furniture or workshop shelving for a cohesive, engineered aesthetic. A small detail with big impact—essential hardware for elevated, durable design.


Secure your projects with Grade 5 strength—add this 100-pack of Hillman 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: 6791821376

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S T
Lake Worth, US
★★★★★ 4
Fudge!
Format: Kindle
Titles aren’t my strong suit. Sorry not sorry. That ending has me completely frustrated book two isn’t out yet. Just throwing that out there. First thing first, this is a high school book where the lead is under 18. Yea yea she’s about month from being an adult, but I can’t say I would’ve even opened the file if I’d realized. It’s not a smut fest or anything, but there is sexual tension as each party figures out their emotions. That being said, it’s a good book. There are some troubling parts, like how the supes come into their powers at 13, but most of those are dealt with in a way that makes sense. Kian is the exception. His whole arc pisses me off, especially since no one stepped in. Reflecting back on real world situations, ten or so years ago, I can see it happening, but it still makes me sick. Which, I’m sure was the whole damn point. For the most part, Courting Darkness is a fun read. I found myself laughing along with most of the set up. By the time it started getting serious, I’d grown to like the characters enough it held an impact. I’ll be adding book two to my list for when it comes out.
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Reviewed in the United States on March 8, 2022
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Dee
Alexandria, US
★★★★★ 5
Intriguing
Format: Kindle
An intriguing story that played out slowly while introducing some unique characters. The story became quite fascinating to read as these same characters provided startling revelations to their lives. As their relationships evolve, more drama and mystery is revealed adding to my fascination. I can’t wait to read more.
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Reviewed in the United States on May 27, 2026
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Darcy Smith
Cuba, US
★★★★★ 5
Outstanding Story!!!!!!!
Format: Kindle
Oh I loved this story. Sera is such an amazing, fun character. She has so much fire inside of herself. She has humor that makes you laugh with her sassy comments. The guys are fantastic. I don’t feel as if we really have gotten to know who and what they are but they are such a mix of fae. The story is extremely well written and developed. It had me pulled in and didn’t let go. There was so much action, drama, and suspense. Then we get to the ending and goodness there is so much going on. This ending was a major cliffhanger and I absolutely can’t wait to see what happens next.
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Reviewed in the United States on March 12, 2024
K
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Kathleen G. Bohle
Fort Morgan, US
★★★★★ 5
Exceptional
Format: Kindle
I think this an exciting entertaining story different from other fantasy reverse harmen story. I love the 1st book in this series and hope it continues to weave a story of friendship, love and disappointment as well as sadness. The cliffhanger was gripping and held you in suspense that waiting until the next book was released was almost too much. I’m so glad I waited to read this series until the majority of the books were released. Katie May and Quinn Arthur’s are wonderful writers and I’m looking forward to reading more from both of them.
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Reviewed in the United States on April 23, 2025
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Johanna J
Draper, US
★★★★★ 3
I don’t mind a cliffhanger,
Format: Kindle
but I dropped at least one star because of the obnoxious gloating of the author after the cliffhanger. Seriously - I don’t understand making your readers angry because you’re smug and expecting them to keep reading your books. I was very definitely enjoying the series. Now I have a bad taste in my mouth and mixed feelings about continuing the series.
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Reviewed in the United States on April 9, 2025

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