Hillman 3/8 in. Diameter x 3 in. Length Heat-Treated Steel Hex Head Cap Screw, Grade 8, 50-Pack
SKU: 45408115550

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

Sale price$46.79 Regular price$51.99
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Description

Hillman 3/8 in. Diameter x 3 in. Length Heat-Treated Steel Hex Head Cap Screw, Grade 8, 50-PackHillman Grade 8 Hex Head Cap Screw 3 8 in. x 3 in. (50 Pack) Heavy duty hex head cap screws from Hillman deliver Grade 8 strength for demanding fastening applications. Made of heat treated steel with a protective yellow dichromate finish, these partially threaded bolts are ideal for use with a nut or tapped hole. Key Features: Grade 8 Strength: Heat treated steel provides high tensile performance for heavy duty assemblies Washer Face Head: Built in

Hillman Grade 8 Hex Head Cap Screw 3/8 in. x 3 in. (50-Pack)

Heavy-duty hex head cap screws from Hillman deliver Grade 8 strength for demanding fastening applications. Made of heat-treated steel with a protective yellow dichromate finish, these partially threaded bolts are ideal for use with a nut or tapped hole.


Key Features:

  • Grade 8 Strength: Heat-treated steel provides high tensile performance for heavy-duty assemblies
  • Washer Face Head: Built-in washer face under the hex head for improved load distribution and sealing
  • Partially Threaded Shank: Enhances shear strength and alignment in structural connections
  • Corrosion-Resistant Finish: Yellow dichromate coating adds wear and rust resistance
  • Bulk Pack Convenience: 50-pack for jobsite efficiency and consistent hardware matching

Specifications Table:

Specification Details
Brand Hillman
Diameter 3/8 inch
Length 3 inch
Material Steel
Grade Grade 8
Finish Heat-treated yellow dichromate
Thread Type Coarse (USS)
Head Type Hex head with washer face
Threading Partially threaded shank
Packaging Quantity 50 pack
Packaging Type Boxed
Use For use with a nut or tapped hole; tighten with wrench or drill

Frequently Asked Questions (FAQ):

Q: What size are these screws?
A: Each hex head cap screw is 3/8 inch diameter and 3 inches long.


Q: Are they fully threaded?
A: No. They are partially threaded along the shank for improved strength.


Q: What material and grade are they?
A: They are Grade 8 heat-treated steel for high strength applications.


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


Q: How are they typically installed?
A: Tighten with a wrench or a drill driver into a nut or tapped hole.


Industrial Strength, Refined Utility

A bolt with presence—its burnished yellow dichromate sheen brings a subtle, utilitarian polish to exposed hardware moments. The crisp hex head and clean, partial thread feel engineered and intentional, perfect for cabinetry details or custom metalwork where hardware becomes part of the composition. Pair with matte black or oiled bronze elements to let the warm metallic tone sing. For projects that demand both beauty and brawn, this is a quiet essential.


Equip your project with Grade 8 confidence—add this 50-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: 45408115550

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Ashley
Belleville, US
★★★★★ 5
⭐️⭐️⭐️⭐️⭐️ Comfort, Style, and Performance — Perfect for Daily Runs and All-Day Wear!
Size: 11, Color: Black/Dark Smoke Grey
I purchased the Nike Men’s Quest 6 for my son, and he’s been absolutely thrilled with them. From the moment he put them on, he noticed how lightweight and supportive they felt — a great balance between cushioning and responsiveness. He wears them both for running and casual outings, and they’ve held up beautifully. The breathable mesh upper keeps his feet cool even during longer runs, and the midsole cushioning absorbs impact nicely without feeling too soft or unstable. The grip on the outsole provides solid traction on roads and gym floors, giving confidence with every step. Design-wise, they look sleek and modern — the classic Nike styling pairs well with both athletic and casual outfits. After several weeks of use, the shoes still look almost new, showing how well they’re built. Pros: ✅ Lightweight yet supportive — great for running or walking ✅ Comfortable fit right out of the box ✅ Excellent breathability and cushioning ✅ Durable construction that holds up with daily use ✅ Stylish design that transitions easily from workout to casual wear Cons: • Runs slightly narrow, so consider sizing up if between sizes Overall, the Nike Quest 6 offers exceptional comfort and quality for the price. My son says they’re some of the most comfortable shoes he’s ever worn — perfect for both training and everyday wear. If you’re looking for a reliable running shoe that combines performance, durability, and style, this is an excellent choice.
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Reviewed in the United States on October 5, 2025
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KC
Waukegan, US
★★★★★ 5
Excellent Running Shoe
Size: 11, Color: Black/University Red/White
The Nike Quest 6 has been a great fit right out of the box. The sizing felt true, and the shoe wrapped comfortably without feeling tight or loose. It was easy to get a secure, natural fit from the first wear. Quality is solid for everyday use. The materials feel well put together, and the shoe holds up nicely for walking and light running. It feels dependable and comfortable for regular wear. What really stood out was the value. The price was much better than what I saw in retail stores, especially for a Nike shoe that performs this well. It’s an easy way to get a reliable running shoe without paying full store pricing. Overall, it’s a comfortable, well-made shoe that delivers a lot for the cost.
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Reviewed in the United States on May 14, 2026
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StephanieS
Lake Worth, US
★★★★★ 5
Good product
Size: 9, Color: Black/Dark Smoke Grey
Great shoes and they seem to have good support qualities. They are super comfortable and I love the all black coloring and it is good for my job to look professional.
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Reviewed in the United States on May 22, 2026
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Indigo_grizzly
New York, US
★★★★★ 5
Good for training
Super cool looking, comfy, lightweight, good price and great for running. Im using a size 9.5/ 27.5cm and it fits perfect, with half an inch of space for my toes.
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Reviewed in the United States on April 6, 2026
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Ty
Omaha, US
★★★★★ 5
So comfy
Solid solid solid shoe. The value for the money you spend is quick to be noticed. Working in a dental office, I’m on my feet a lot and all of these brands who say they were made by nurses blah blah blah are liars. These were finally the shoes that didn’t make my ankles or feet sore. They take shock absorption so smoothly, and allow me to feel supported and comfortable. Wearing them all day isn’t a chore and honestly made me realize I was less grumpy because I was much more comfortable
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Reviewed in the United States on May 4, 2026

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