Hillman 3/8 in. Diameter x 2-1/4 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screw, 50-Pack
SKU: 15850947782

Hillman 3/8 in. Diameter x 2-1/4 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screw, 50-Pack

Sale price$35.09 Regular price$38.99
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Description

Hillman 3/8 in. Diameter x 2-1/4 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screw, 50-PackHillman Grade 8 Hex Head Cap Screws, 3 8" x 2 1 4", 50 Pack Heavy duty Grade 8 hex head cap screws engineered from heat treated steel for maximum strength. Ideal for securing machinery and structural assemblies, these partially threaded bolts feature a washer face for a better seal and reliable clamping. Key Features: Grade 8 Strength: Heat treated steel delivers high tensile strength for demanding applications Washer Face Head: Built in bearing

Hillman Grade 8 Hex Head Cap Screws, 3/8" x 2-1/4", 50-Pack

Heavy-duty Grade 8 hex head cap screws engineered from heat-treated steel for maximum strength. Ideal for securing machinery and structural assemblies, these partially threaded bolts feature a washer face for a better seal and reliable clamping.


Key Features:

  • Grade 8 Strength: Heat-treated steel delivers high tensile strength for demanding applications
  • Washer Face Head: Built-in bearing surface improves sealing and load distribution
  • Partially Threaded Shank: Enhanced shear strength and alignment in bolted joints
  • Coarse Thread: Reliable engagement for faster installation with nuts or tapped holes
  • Multipack Convenience: 50 boxed screws for shop, jobsite, or maintenance stock

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 2-1/4 inch
Material Steel
Finish Heat Treated
Grade Grade 8
Head Style Hex head with washer face
Thread Type Coarse
Threading Partially threaded along shank
Number in Package 50 pack
Packaging Type Boxed
Category Hex Bolts

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. They are partially threaded along the shank to improve shear strength.


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


Q: Do these have a special finish?
A: Yes. They are heat-treated and noted with a yellow dichromate-style finish in some listings for added wear resistance.


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


Q: Can these be used in structural or machinery applications?
A: Yes. Grade 8 heat-treated steel is appropriate for high-load mechanical assemblies when sized and torqued correctly.


Industrial Poise with Performance Precision

These hex cap screws bring a crisp, engineered silhouette to hardware moments, marrying strength with sleek utility. The faceted head and washer face create a refined, intentional detail in exposed fastener applications. Style them with blackened steel brackets or natural oak for a chic contrast. Essential, enduring, and unapologetically functional—hardware that elevates the build.


Stock your project with Grade 8 reliability—add this 50-pack of Hillman hex 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: 15850947782

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A
Verified Purchase
Al Ias
Los Angeles, US
★★★★★ 5
Doggies happy
Amazing value and good variety of toys. Puppies love them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
J
Verified Purchase
Jay B
Belleville, US
★★★★★ 5
My dogs loved their toys
Not the most durable but my husky puppies loved them!
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Reviewed in the United States on May 31, 2026
L
Verified Purchase
lala
Dallas, US
★★★★★ 4
Must have @ Puppy Yoga Club
I purchased the Aipper Dog Toys 25 Pack for use with puppies at my job, and it’s been a really practical and affordable option for a high-energy, group setting. The variety in the pack is the biggest benefit. With a mix of squeaky toys, ropes, balls, and plush toys, it’s easy to rotate items throughout the day and keep multiple puppies engaged at once. The squeaky toys grab attention quickly, while the rope toys are great for interactive play and light tug games. For a work environment with frequent use, the value is excellent. Having so many toys in one set makes it easy to replace or swap out toys as they get worn down, which is helpful when working with multiple puppies at the same time. Durability is average for the price—some of the softer plush toys don’t hold up to rough play for long—but the rope toys tend to last better. Overall, they work best in supervised settings rather than for heavy chewers. Overall, this set is a great, budget-friendly solution for keeping puppies entertained and engaged in a group setting.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
B
Verified Purchase
BillyChuck
Charlottesville, US
★★★★★ 5
Great variety for the price
Great set of toys. As described, they are for smaller dogs but I got them for our puppy and they are a great size for her. She will definitely outgrow them if she doesn’t destroy them first. She sure likes them for now!
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Reviewed in the United States on April 19, 2026
T
Verified Purchase
TK
Natrona Heights, US
★★★★★ 3
Tiny Toys for Puppies. Not for large dogs.
These are cute little toys, definitely puppy size toys. I don’t expect them to last long as they don’t seem durable for vigorous chewers, but they will be a good distraction for the puppy. He loves the squeaker. I’m only giving 3 stars because I’m very itchy after opening the toys, I seem to be having a reaction to the material. I have never been diagnosed with any sort of allergies.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026

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