SKU: 33004623513

Hillman 7/16 in. Diameter x 4 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 25-Pack

Sale price$36.89 Regular price$40.99
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Description

Hillman 7/16 in. Diameter x 4 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 25-Pack7 16 in. x 4 in. Grade 5 Hex Head Cap Screws (25 Pack) These Hillman hex head cap screws are Grade 5 steel with a heat treated zinc finish for strength and wear resistance. Partially threaded with a washer face under the head, theyre ideal for securing machinery and structural components where a durable hex bolt is needed. Key Features: Grade 5 Strength: Heat treated steel provides reliable tensile strength for demanding applications Corrosion

7/16 in. x 4 in. Grade 5 Hex Head Cap Screws (25-Pack)

These Hillman hex head cap screws are Grade 5 steel with a heat-treated zinc finish for strength and wear resistance. Partially threaded with a washer face under the head, they’re ideal for securing machinery and structural components where a durable hex bolt is needed.


Key Features:

  • Grade 5 Strength: Heat-treated steel provides reliable tensile strength for demanding applications
  • Corrosion-Resistant Finish: Zinc coating helps protect against rust and wear
  • Washer Face Head: Improved seating and seal under the hex head
  • Partially Threaded Shank: Added shear strength where it matters
  • Coarse Thread Compatibility: Works with matching coarse-thread nuts and tapped holes

Specifications Table:

Specification Details
Brand Hillman
Diameter 7/16 inch
Length 4 inch
Material Steel
Finish Heat-treated zinc
Grade Grade 5 (USS)
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded shank
Count 25 pack
Packaging Type Boxed
Intended Use Use with a nut or in a tapped hole; tighten with a wrench or drill

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No, they are partially threaded along the shank (Grade 5 USS style).


Q: What material and finish are used?
A: Steel construction with a heat-treated zinc finish for added durability and corrosion resistance.


Q: What thread type do these bolts use?
A: Coarse thread.


Q: How are they installed?
A: Tighten using a wrench or compatible driver on the hex head; pair with a matching coarse-thread nut or tapped hole.


Q: How many bolts come in the package?
A: 25 bolts per pack.


Industrial Strength with a Clean, Zinc Sheen

This hex head cap screw brings a refined industrial note to functional detailing—its zinc finish catches the light with a crisp, purposeful shine. The partially threaded shank delivers a tailored profile, while the washer-faced head sits neatly for a polished look. Use it to anchor exposed hardware on workshop shelving or loft-style fixtures for an authentic, engineered aesthetic. It’s a small component that elevates the whole composition—strength with style, effortlessly.


Secure your next build with Grade 5 strength—add this 25-pack to your cart and bolt it down right.

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: 33004623513

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Mystery Fan
Massapequa, US
★★★★★ 3
Not great at cooling
Size: Queen (2 Count), Color: Original White (Cooling)
Each pillow cover has 2 sides, one marked for cooling, and the other a different fabric. The cooling side is about the same effectiveness as having a silk or satin pillow cover. It's only cool when you first touch it. The cooling side doesn't seem to absorb or wick moisture, so if you are sweaty - it keeps the moisture in place. You'll definitely want a regular pillow case over the pillow cover. In fact, if you suffer from night sweats, the non-cooling side is actually more comfortable. The pillow fill is ample, and simple to squish around for more support for your neck, etc. Think bean bag. But it will retain your impression after use. I find I need to do as I did when I had down pillows - give it a few good shakes in the morning when I make the bed to get it evened out for the coming night. In all, it is a well-made and comfortable pillow to sleep on, but it does not excel in cooling.
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Reviewed in the United States on May 29, 2026
C
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Carol C
San Leandro, US
★★★★★ 5
excellent pillows i bought two sets!!
Size: Firm Queen (2 Count), Color: Original White (Cooling)
I ordered these for my son who has neck issues and has gone through so many pillows trying to find one that he liked. They’re heavy, so i was worried that they might be “too” heavy to be able to sleep on comfortably, so I ordered a second set, one firmer than the other (just in case) and gave him a set for Xmas and he loved the first set so much without even trying the less firm ones.He also needs the cooling factor and these offered that, too. They are filled with pieces of memory foam (tons of it) and each pillow can be modified by removing some of the foam. The covers are beautiful, high quality fabric with a zipper so ts easy to remove or replace the foam pieces. The size is perfect and they keep their shape. I kept the second set i ordered rather than returning them and i love the pillows. I actually modified two by removing some of the foam pieces. I kept the foam pieces in a zippered pillow protector and i can always adjust mine when or if i need to. 1000% love these.
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Reviewed in the United States on March 22, 2026
A
Verified Purchase
Asha
Charlottesville, US
★★★★★ 5
The Perfect Firm Pillow l
Size: Queen (1 Count), Color: Original White (Cooling)
It is everything it claims to be, cool, comfortable and strong. I got this for my husband first, he loves it and then got one for my son, he uses it to support his knees and has been sleeping much better since then. They both needed a firm pillow that is not super soft, firm but not achy. Finally found the perfect one.
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Reviewed in the United States on May 6, 2026
M
Verified Purchase
Mopardodgegirl
Houston, US
★★★★★ 5
It works! Quality pillow.
Size: Standard (1 Count), Color: Original White (Cooling)
This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.
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Reviewed in the United States on June 2, 2026
J
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jin
Birmingham, US
★★★★★ 5
Most comfortable pillow I’ve ever slept on
Size: Queen (1 Count), Color: Crescent White(cooling)
This is the most comfortable pillow I have ever slept on. It doesn't mash down like other pillows. Cradles my neck perfectly plus it’s cool. I broke my neck a couple of years ago and this pillow feels very good and comfortable. Definitely recommend to everyone. Ive used it since May and it’s retained its shape.
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Reviewed in the United States on June 6, 2026

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