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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Peter Suslock
Cuba, US
★★★★★ 4
Sensational Toy By Nylabone Keeps Your Best Freinds Teeth Snow White!
Flavor Name: Bacon, Size: X-Large
Our Bull dogs LOVE these bones. Long time Nylabone fans they've been making quality dog toys here in the United States for over fifty years. The nubs on the end of the bone age great for cleaning teeth and massaging bones. The center is softer but still holds up to even the toughest aggressive chewers. For whatever reason this isn't a "favorite" toy in the sense that they drag it around a few hours a day but they do play with it and we replace them when the ends start to shred - which should be done with all nylabone chew toys. The price on Amazon is virtually half the cost of the big box pet stores so it's affordable - not to mention fun to replace their toys and try new ones often. Plus with a Prime membership almost every item we buy ships with Free two day shipping - making the deals even that much sweeter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2012
A
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Andhonor
Whiting, US
★★★★★ 5
You've got to be kidding. Really !!!
Flavor Name: Bacon, Size: X-Large
I've used these for over fifteen years They are great. But, mine only lasted two days this time. Lucy the Labrador, left it in the driveway one afternoon. The next morning a huge garbage truck ran over it, making dust out of it. Normally, Lucy cant go any ware without it, so leaving it outside was her fault. And mine, for not checking. Yes, I ordered another one right away. Otherwise, she would have drove me crazy. These are great, and they last a long time, even with the most aggressive chewers. Lucy, passed away on June 16, at age 13, but you can bet I still have her favorite bone. The more a dog chews on these, the better they brush the dogs teeth. A+ product, just like their other items.
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Reviewed in the United States on June 30, 2015
M
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Memly
Draper, US
★★★★★ 5
Large, Heavy, DURABLE!
Flavor Name: Bacon, Size: Medium
This bone is probably too big and heavy for my medium size cocker spaniel. But I bought it anyway, because he was able to demolish the Nylabones that were labeled "for medium dogs". He can still pick this one up and carry it around, but he cannot fit an entire end into his mouth. Still, he loves it--he's greedy and relishes the fact that he has such a big bone all for himself. He even sleeps with it! I like it because of the fact that it doesn't completely fit into his mouth. Due to this, the bone has lasted much longer than all the other Nylabones I bought him in the past. And because he can't shred this one, I don't find sharp bit of Nylabone fragments everywhere and it doesn't make his gums bleed either. I happy I found this and will continue buying oversized Nylabone toys for my dog!
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Reviewed in the United States on March 21, 2012
T
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Tony Kerbaugh
San Leandro, US
★★★★★ 5
Durable
Flavor Name: Bacon, Size: X-Large
My dog loves these, we used to get him one size smaller. But after a month or so he would have the end knuckle chewed open trying to get at the inside. This one here he chews on it all day and hasn't put a dent in it. Great dog bone.
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Reviewed in the United States on June 3, 2024
S
Verified Purchase
S&L Animal Rescue
Lowell, US
★★★★★ 5
The Dogs Here LOVE This Toy!
Size: Large/Giant (1 Count)
This is a great addition to the toy box! The dogs I have are heavy chewers and it stands up to their teething needs. It's a great shape for them to hold and I'm sure it's helping to keep their teeth free of tarter. It gets a lot of use here!
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Reviewed in the United States on May 15, 2024

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