SKU: 51686577453

Hillman 1/2 in. Diameter x 5-1/2 in. Length Heat-Treated Steel Hex Head Cap Screw, 25-Pack

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Description

Hillman 1/2 in. Diameter x 5-1/2 in. Length Heat-Treated Steel Hex Head Cap Screw, 25-PackHillman Grade 8 Hex Head Cap Screws, 1 2" x 5 1 2", 25 Pack Heavy duty hex head cap screws made from heat treated steel for high strength fastening. Grade 8, partially threaded with a washer face for secure seatingideal for machinery, automotive, and structural applications. Key Features: Grade 8 Strength: Heat treated steel delivers superior tensile performance for demanding jobs Washer Face Head: Built in bearing surface under the hex head improves

Hillman Grade 8 Hex Head Cap Screws, 1/2" x 5-1/2", 25-Pack

Heavy-duty hex head cap screws made from heat-treated steel for high-strength fastening. Grade 8, partially threaded with a washer face for secure seating—ideal for machinery, automotive, and structural applications.


Key Features:

  • Grade 8 Strength: Heat-treated steel delivers superior tensile performance for demanding jobs
  • Washer Face Head: Built-in bearing surface under the hex head improves load distribution and seal
  • Partially Threaded Shank: Enhanced shear strength where unthreaded section bears load
  • Coarse Thread Compatibility: Reliable assembly with standard coarse-thread nuts and tapped holes
  • Bulk Pack Convenience: 25-pack keeps projects moving with consistent, matching fasteners

Specifications Table:

Specification Details
Diameter 1/2 inch
Length 5-1/2 inch
Material Steel
Finish Heat-treated; yellow dichromate style noted
Grade Grade 8 (USS)
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded along the shank
Number in Package 25 pack
Packaging Type Boxed
Category Hex Bolts / Hex Head Cap Screws
Package Dimensions (L x W x H) 6.8 in x 4.5 in x 3.3 in
Package Weight 8.7 lb

Frequently Asked Questions (FAQ):

Q: What size wrench or socket do I need?
A: These are 1/2-inch diameter hex head cap screws; select a socket sized for the corresponding hex head across flats per Grade 8 spec (check your hardware set).


Q: Are these fully threaded?
A: No. They are partially threaded to provide better shear strength at the unthreaded shank.


Q: What material and finish are these screws?
A: They are steel, heat-treated to Grade 8 with a yellow dichromate-style finish noted for strength and wear resistance.


Q: What thread type do they use?
A: Coarse thread, suitable for use with matching coarse-thread nuts or tapped holes.


Q: How many are included?
A: This box contains 25 screws.


Industrial Strength, Streamlined Presence

There’s a quiet elegance in precision hardware—these hex cap screws bring a tailored, industrial note to any build. The crisp washer-faced head feels intentional, a small but striking detail that elevates utility to design. Use them to accent exposed joinery on workshop cabinetry or a rugged shelving system for a subtly architectural moment. Their Grade 8 strength ensures beauty backed by unwavering performance—luxury in the details.


Equip your next build with Grade 8 confidence—add this 25-pack of Hillman hex head cap screws to your cart now.

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: 51686577453

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Kimberly D.K. Schmitt
Omaha, US
★★★★★ 5
Love it BUT it MAY cause dry mouth?
Size: Pack of 1, 4 Ounce, Set name: B. Probiotic - Peppermint
I love the mild minty flavor and the fact it is probiotic. I have been using Boka flouride free Nana-Hydroxyapatite since June 2025. At that time, my front teeth had begun to appear somewhat translucent. When I asked my dentist about it I was told it was due to my age (52) and losing minerals & enamel in/on my teeth. After some research, I discovered nano-hydroxyapatite and figured, ‘why not’? My teeth have always been sensitive and my gums prone to bleeding. I have always used Sensodyne and was unsure of changing but I have found my teeth ate less sensitive now. I just had my 6 month check up & my gums hardly bled & my front teeth are far more ‘solid’ looking! The hygienist complimented me on my improvement since the last check up. All I’ve done differently is the toothpaste! I am not certain if the toothpaste is the reason (due to lack of fluoride) for my new symptom of dry mouth but I haven’t begun any new Rx’s. I am thinking it is the toothpaste because the products I found to aid with dry mouth all contain fluoride. Just a heads up.
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Reviewed in the United States on March 5, 2026
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Kris Todd
Natrona Heights, US
★★★★★ 4
Clean, unharmful ingredients.
Size: Pack of 1, 4 Ounce, Set name: A. Probiotic - Citrus Mint
Good stuff. I had somekind of an allergic reaction to a chemical in it, as I do most toothpaste though. Whatever it is, strips the lining of the inside of my mouth. It wasn't as bad as some of the other's that I have used though. I need to find out what it is in the toothpastes that I use that does this, so I can stay away from it. Otherwise, I liked the taste and how good it cleaned my teeth.
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Reviewed in the United States on March 17, 2026
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Vlad
Fort Morgan, US
★★★★★ 5
Fresh Taste and Super Clean Feeling
Size: Pack of 1, 4 Ounce, Set name: A. Probiotic - Citrus Mint, Size: Pack of 1, 4 Ounce, Set name: A. Probiotic - Citrus Mint
I’ve been using this toothpaste for a while now and just ordered my second tube. The citrus mint flavor is really — fresh but not overpowering. I also love that it’s safe for kids, so the whole family can use it. The fine particles leave my teeth feeling super clean and smooth, almost “squeaky clean” after brushing. It keeps my mouth feeling fresh for a long time and I’ve noticed much less plaque buildup throughout the day. Definitely one of the best fluoride-free toothpastes I’ve tried so far.
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Reviewed in the United States on May 29, 2026
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Amazon Customer
Boise, US
★★★★★ 5
Love, love, love!
Size: Pack of 1, 4 Ounce, Set name: A. Probiotic - Citrus Mint
I love this toothpaste! It has done an amazing job removing plaque. It has helped my sensitivity immediately and I am able to handle cold water or drinks again without any pain. I also love that this is a prebiotic toothpaste.
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Reviewed in the United States on May 30, 2026
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Nunya Bidness
Chelsea, US
★★★★★ 5
Quality toothpaste with ingredients you can trust
Size: Pack of 1, 4 Ounce, Set name: B. Probiotic - Peppermint, Size: Pack of 1, 4 Ounce, Set name: B. Probiotic - Peppermint
Good toothpaste. It's a nice light scent/flavor. It's pleasant. My teeth feel fresh after using it. I'm excited to see the changes. I'll post a picture of my before and then I'll update in a few months of my after. I'm so grateful this is a natural product that focuses on replenishing rather than just scratching. I still wish it cost less, I mean 14 bucks for one toothpaste seems like a lot, but it's better than using toothpaste that's laced with poison so whatever. I hope one day they come down on their price. I like that the ingredients are quality.
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Reviewed in the United States on April 2, 2026

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