SKU: 44523301476

Hillman 3/8 in. Diameter x 3 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-Pack

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Description

Hillman 3/8 in. Diameter x 3 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-PackHillman Grade 5 Hex Head Cap Screws, 3 8" x 3", 50 Pack Durable Grade 5 hex head cap screws made of steel with a heat treated zinc finish for added strength and wear resistance. Partially threaded with a washer face under the head for a better seal, ideal for use with nuts or tapped holes. Key Features: Grade 5 Strength: Heat treated steel for reliable performance in structural and machinery applications Corrosion Resistant Finish: Zinc coating

Hillman Grade 5 Hex Head Cap Screws, 3/8" x 3", 50-Pack

Durable Grade 5 hex head cap screws made of steel with a heat-treated zinc finish for added strength and wear resistance. Partially threaded with a washer face under the head for a better seal, ideal for use with nuts or tapped holes.


Key Features:

  • Grade 5 Strength: Heat-treated steel for reliable performance in structural and machinery applications
  • Corrosion-Resistant Finish: Zinc coating enhances durability and wear resistance
  • Washer Face Design: Built-in washer face under head improves seal and load distribution
  • Partially Threaded Shank: Provides strong clamping force and alignment where full threads aren't required
  • Coarse Thread: Compatible with standard nuts and tapped holes; easy installation with wrench or drill

Specifications Table:

Specification Details
Brand Name Hillman
Finish Heat Treated Zinc
Grade Grade 5
Diameter 3/8 inch
Length 3 inch
Material Steel
Number in Package 50 pack
Packaging Type Boxed
Thread Type Coarse
Head Style Hex head cap screw
Partially Threaded Yes
Washer Face Under Head Yes

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. They are Grade 5 hex cap screws with a partially threaded shank.


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


Q: Do they resist rust?
A: The zinc finish offers corrosion resistance suitable for general indoor and some outdoor applications; for harsh environments, consider stainless options.


Q: What thread type do they use?
A: Coarse thread, compatible with standard nuts and tapped holes.


Q: Is this a bulk pack?
A: Yes, the box contains 50 screws.


Industrial Strength, Streamlined Beauty

These hex cap screws bring a clean, engineered aesthetic to any build, marrying function with a refined metallic sheen. The zinc finish catches light subtly while the faceted head adds crisp geometry. Style them with raw woods and matte blacks for a modern, workshop-chic vibe, or use them to punctuate minimalist cabinetry. A small detail with big impact—essential hardware for elevated, enduring design.


Upgrade your project with these Grade 5 zinc-finished hex cap screws—add the 50-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]
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SKU: 44523301476

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4.3 ★★★★★
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Disappointing
Lexington, US
★★★★★ 1
Flimsy and doesn’t hold weight
Size: 17 Inch, Color: Natural, Size: 17 Inch, Color: Natural
Do not buy this. The frame this comes with is so small and flimsy. I didn’t even have anything on the shelves yet and they were falling off the wall. The wood is a beautiful color but the quality is awful. I had different floating shelves on the same wall and I included a picture of the thick metal frame those came with, also from Amazon to show how flimsy this brand is.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
D
Verified Purchase
Danielle S
Draper, US
★★★★★ 5
Really nice shelves well-made
Size: 30 Inch, Color: Walnut, Size: 30 Inch, Color: Walnut
I recently installed a set of floating wooden shelves above my kitchen sink, and they have completely transformed the space. The natural wood grain adds warmth and character, making my kitchen feel more open and inviting. The shelves are sturdy and well-made, supporting everything from dishware to small plants and decorative items without any sagging. Installation was straightforward, with the included hardware making it easy to mount them securely. I was pleasantly surprised by how well they hold weight while maintaining a sleek, minimalistic look. The floating design gives a clean, uncluttered aesthetic, which is exactly what I was looking for. Functionally, they’ve made a huge difference. I can now keep everyday essentials like mugs and spices within easy reach while freeing up valuable counter space. They’re also a great alternative to upper cabinets, preventing the area above my sink from feeling closed in. Overall, these floating wooden shelves are both practical and stylish. Whether you’re looking to add storage or just enhance your kitchen’s design, they’re a fantastic option. I highly recommend them for anyone wanting a simple yet impactful upgrade to their space!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2025
S
Verified Purchase
SShidal
Draper, US
★★★★★ 3
Look nice, not sturdy or supportive
Size: 17 Inch, Color: Dark Blue
The color and thickness of the shelf is great. Very easy to install. But the wall mount portion is cheaply made and doesn’t support the shelf as well as it should. Once mounted the shelf leans forward and isn’t sturdy. After mounting, I found my items had slid off end up on the floor.
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Reviewed in the United States on January 24, 2026
A
Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
The color is beautiful
Size: 17 Inch, Color: Dark Blue
These are beautiful! I bought them for my Grandsons Baseball room. We haven’t put them up yet. They will be a great addition to his red, white, and blue baseball room!
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Reviewed in the United States on May 18, 2026
A
Verified Purchase
Angela Benton
Los Angeles, US
★★★★★ 5
Will buy again
Color: Walnut, Size: 2 Pack
Great color, hardwear was easy to install, quality great, very stable, all in great fit great size and love the look
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Reviewed in the United States on March 27, 2026

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