SKU: 369181031

Hillman 5/16 in. Diameter x 4-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-Pack

Sale price$45.89 Regular price$50.99
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Description

Hillman 5/16 in. Diameter x 4-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-PackHillman Grade 5 Hex Head Cap Screws, 5 16" x 4 1 2", 50 Pack Durable grade 5 hex head cap screws made from heat treated steel with a zinc finish for strength and wear resistance. Partially threaded with a washer face under the head for a secure seal, ideal for use with nuts or tapped holes. Key Features: Grade 5 Strength: Heat treated steel provides reliable tensile strength for demanding projects Corrosion Resistant Finish: Zinc coating helps resist

Hillman Grade 5 Hex Head Cap Screws, 5/16" x 4-1/2", 50-Pack

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


Key Features:

  • Grade 5 Strength: Heat-treated steel provides reliable tensile strength for demanding projects
  • Corrosion-Resistant Finish: Zinc coating helps resist rust and wear in general-purpose applications
  • Washer Face Under Head: Improved sealing and load distribution for secure fastening
  • Partially Threaded Shank: Enhanced shear strength and alignment in structural connections
  • Easy Tool Compatibility: Tightens with a wrench or drill for quick installation

Specifications Table:

Specification Details
Diameter 5/16 inch
Length 4-1/2 inch
Material Steel
Finish Heat Treated Zinc
Grade Grade 5
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded shank
Number in Package 50
Packaging Type Boxed
Unit of Measurement Listed as Metric (source) – dimensions provided in inches

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. They are grade 5 cap screws with partial threading along the shank.


Q: What tools are recommended for installation?
A: Use a wrench or a drill with the appropriate hex socket or driver.


Q: Do they include nuts or washers?
A: No. This pack includes only the hex head cap screws; purchase compatible nuts and washers separately.


Q: What is the corrosion protection?
A: A zinc finish provides general corrosion resistance suitable for many indoor and light outdoor uses.


Q: What thread type do these use?
A: Coarse thread, compatible with matching coarse-thread nuts and tapped holes.


Industrial Poise with Purpose

These hex head cap screws bring a crisp, engineered elegance to utilitarian installations. The zinc finish glints softly, pairing beautifully with raw woods and matte black hardware for a balanced, modern composition. Use them to anchor exposed shelving or brace metal frames where the hardware becomes part of the aesthetic. A small detail with big impact—essential for refined, functional design.


Secure your projects with dependable grade 5 strength—add this 50-pack of Hillman 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: 369181031

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Drew
Waukegan, US
★★★★★ 5
A Perfect 5-Star Refill Solution!
Color: 2 Black,1 Cyan,1 Magenta,1 Yellow
As a heavy user of my Epson EcoTank printer, I am always on the hunt for reliable, high-quality, and cost-effective refill ink, and the QIOCKTO 522 set is exactly that—a phenomenal find! Effortless & Mess-Free Refilling: The design of these bottles is truly genius. They feature the same key-lock nozzle system as the OEM bottles, meaning they only fit into the correct color tank, and the refill process is completely automatic and totally mess-free. I didn't spill a single drop, which is a huge win for EcoTank owners. Exceptional Print Quality: After refilling, the print results are indistinguishable from the original Epson ink. I've printed everything from detailed photos to plain text documents, and the colors are vibrant, the blacks are deep, and there is no smearing or clogging. My printer recognized the ink perfectly and continued operating without any errors. Incredible Value: This 4-pack offers a massive volume of ink for a fraction of the cost of the brand-name refills. For the quality and the quantity you receive, this is hands-down the best value on the market for keeping your EcoTank running. If you own a compatible EcoTank printer and want to save money without sacrificing quality or ease of use, these QIOCKTO 522 ink bottles are a must-buy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 15, 2025
O
Verified Purchase
ohtotoro
Belleville, US
★★★★★ 5
Easy to use Ink Refill for Epson printers
Color: 2 Black,1 Cyan,1 Magenta,1 Yellow, Color: 2 Black,1 Cyan,1 Magenta,1 Yellow
This was a fantastic ink refill for my Epson 522 printer. I had been simply purchasing new cartridges in the past, but I decided to simply try to refill it the current ones that I was using. This was easy to use and surprisingly mess free. It didn't change the compatibility once I refilled the cartridge, which was a worry. The cost was very reasonable considering the expense of buying new cartridges. The quality was high when I started to print, and I was very impressed that there was no smearing or degradation in the ink or the readability. This worked very well, and I am extremely happy with the product. Clean up was trivial. I was amazed that there was no leaking either. Would definitely buy again.
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Reviewed in the United States on December 9, 2025
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Deb G-P
Waukegan, US
★★★★★ 5
Highly recommend
Color: 2 Black,1 Cyan,1 Magenta,1 Yellow
Worked perfectly for my printer! The print quality is just as good as the original ink it came with, and the price is much better. Easy to install, no leaks, and looks like it will last a long time.
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Reviewed in the United States on August 11, 2025
S
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steve l
Carnegie, US
★★★★★ 5
Large bottles
Color: 2 Black,1 Cyan,1 Magenta,1 Yellow, Color: 2 Black,1 Cyan,1 Magenta,1 Yellow
The bottles are a good size larger than expected and come with an extra black. Easy to fill without any spilling and works great in my printer. I am pleased with the print quality and color. Price is very reasonable for all you get.
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Reviewed in the United States on October 4, 2025
M
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Michael
Phoenix, US
★★★★★ 5
Great product
Color: 2 Black,1 Cyan,1 Magenta,1 Yellow
It’s just what I ordered! It came very fast and the ink is sealed individually so it should last until I need it! I used the first bottle of black ink immediately! Thank you
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026

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