Hillman 7/16 in. Diameter x 4 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screws, Coarse Thread, 25-Pack
SKU: 86392491785

Hillman 7/16 in. Diameter x 4 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screws, Coarse Thread, 25-Pack

Sale price$46.79 Regular price$51.99
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Description

Hillman 7/16 in. Diameter x 4 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screws, Coarse Thread, 25-PackHillman Grade 8 Hex Head Cap Screws, 7 16 in. x 4 in., 25 Pack Heavy duty Grade 8 hex cap screws engineered from heat treated steel for high strength fastening. Coarse thread with washer face under the head delivers secure grip and better sealing in demanding applications. Ideal for machinery, automotive, and structural projects. Key Features: Grade 8 Strength: Heat treated steel provides superior tensile strength for high load applications. Coarse

Hillman Grade 8 Hex Head Cap Screws, 7/16 in. x 4 in., 25-Pack

Heavy-duty Grade 8 hex cap screws engineered from heat-treated steel for high-strength fastening. Coarse thread with washer face under the head delivers secure grip and better sealing in demanding applications. Ideal for machinery, automotive, and structural projects.


Key Features:

  • Grade 8 Strength: Heat-treated steel provides superior tensile strength for high-load applications.
  • Coarse Thread: Partially threaded shank for strong engagement and easier installation.
  • Washer Face Under Head: Improved bearing surface for a tighter, more secure seal.
  • Durable Finish: Yellow dichromate treatment enhances wear and corrosion resistance.
  • Versatile Use: Fits hex bolt applications; tighten with a wrench or driver.

Specifications Table:

Specification Details
Diameter 7/16 inch
Length 4 inch
Material Heat-treated steel
Grade 8
Thread Type Coarse (USS)
Head Style Hex head with washer face
Finish Yellow dichromate; heat treated
Number in Package 25 pack
Packaging Type Boxed
Brand Hillman
Tightening Method Wrench or drill/driver
Unit of Measurement Imperial
Package Height 3.2 in
Package Width 4.3 in
Package Length 5.3 in
Package Weight 4.8 lbs

Frequently Asked Questions (FAQ):

Q: Are these fully or partially threaded?
A: They are Grade 8 cap screws with partial threading along the shank.


Q: What tools are required for installation?
A: Install using a wrench or a power driver with a hex socket.


Q: Do these have a washer face?
A: Yes, a washer face under the head provides a better bearing surface and seal.


Q: What is included in the package?
A: A boxed 25-pack of 7/16 in. diameter x 4 in. length hex head cap screws.


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


Industrial Strength, Clean Precision

These Grade 8 hex cap screws bring a refined, utilitarian edge to projects where performance meets aesthetics. The crisp hex head and robust, heat-treated steel create a subtle rhythm of hardware that feels both intentional and enduring. Use them to anchor exposed steel brackets or industrial shelving for a polished, architectural statement. Their reliable strength and golden dichromate sheen elevate the everyday into luxe functionality.


Secure your next build with high-strength Hillman Grade 8 hex cap screws—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: 86392491785

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H. Simon
Pawtucket, US
★★★★★ 5
Great Sheets!
Size: Twin, Color: Oatmeal
Super soft, wash up beautifully, seem well made — very happy! It’s very hard to find 100% cotton t-shirt type sheets and these are really lovely.
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Reviewed in the United States on June 1, 2026
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Chris
Charlottesville, US
★★★★★ 3
Weirdly textured
Size: King, Color: Dark Gray
I have bought and loved jersey sheets in the past, that have all been as soft as a well worn cotton t-shirt. These arent soft. They have the stretch of jersey, but not the soft smooth texture that they should have. Even after washing a few times these are one of my least favorite sheets I've ever bought on Amazon.
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Reviewed in the United States on May 30, 2026
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Nyfan1
Lake Worth, US
★★★★★ 5
Soft, Breathable Sheets That Feel Great to Sleep On
Size: Twin, Color: White
This Amazon Basics jersey sheet set was a really good purchase. The cotton material is soft, stretchy, and breathable — it feels like sleeping in a comfortable T‑shirt. The fitted sheet has a nice snug fit that stays in place, and the flat sheet is lightweight without feeling flimsy. The fabric washes well, doesn’t pill, and stays soft after multiple loads. It’s a great everyday sheet set for anyone who likes that cozy, relaxed jersey feel. Overall, comfortable, easy to care for, and great value for the price.
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Reviewed in the United States on May 18, 2026
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Christopher
Dallas, US
★★★★★ 5
The Perfect Sheets To Lie On While Writing Amazon Reviews
Size: Full, Color: Light Gray
As I write this, I am laying on an adjustable full sized bed by Hofish and a 10.5" comfort foam mattress by Classic Brands. I know I sound like I am an Amazon plant, but I swear I am not. I'm not even a stockholder anymore. This is the most awesome bed stylings combination I have had in many, many years. In fact, it is the best I have ever owned and it is beat only by some ritzy resort I stayed at on vacation like 20 years ago, though I admit I was pretty drunk the entire time so my memory might not be the most accurate. But getting back to today... these sheets are great. I washed them twice - I'm not a neat freak, I am just amazingly disorganized and easily distracted while doing laundry, so tonight they went though two wash cycles and one dry. And then I put them on the bed. While these sheets are not deep pocket sheets, they don't need to be with this mattress. There is enough room and border for them to tuck and wrap with the elastic to give a strong grip under the mattress, which is important as the adjustable frame continually put the sheets and mattress though its repeated adjustable calesthenics-type positioning. The other two sheet sets I have used since I got this bed have struggled poorly with this. In the day or so and at least a dozen position changes, these sheets stay in place with no popped corners to exposing the bowl as the head and feet rise. Of course, till will tell if it lasts, but so far they are the best of the batch of sheets in my closet. As for texture, they are awesome. I'm a dude. I don't really know what thread count or knit or whatever really means. But these sheets feel like a well-washed favorite, quality rock & roll concert t-shirt. And not one of these glitter puff stupid new groups, like a real rock band from the 80s that now charges $250 for a concert ticket and $60 for a t-shirt...but that group you saw back then, paid $10 for the shirt and you STILL have it and love to wear it because it is perfectly molded to your body, soft and reliable. The kind of shirt you will wear under your suit at work and just grin not just for mental middle finger to corporate dress codes, but because the t-shirt is just that great of a feeling. Well, that is what these sheets feel like. And now you get to sleep in it. It is that awesome. In LA right now we are having a nasty heat wave, but these sheets don't seem to bake me even with my stuttering AC. The flannel sheets I love seem to trigger the butt sweats as soon as I lay down in this heat, but no such problem with these. So really, I'm absolutely happy with these things. I am going to order more in other colors as soon as Amazon gets them back in stock. Great price, great quality, great comfort, great fit, great deal. It is that simple.
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Reviewed in the United States on September 3, 2017
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Marellen Coley
Charlottesville, US
★★★★★ 5
Soft smooth and wrinkle free!
Size: King, Color: White
The most comfortable sheets I’ve had in years! Soft and don’t wrinkle up in the bed. Some reviews said they are thin but I think they’re perfect! I don’t want super thick sheets as we are hot sleepers. These are the perfect feel. They also stretch very well to fit on my mattress all the way around and I have a thick mattress! My precious sheets were a struggle to get over the corners but these fit perfectly. Would buy 10 times over! Such a good value as well!
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Reviewed in the United States on April 14, 2026

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