SKU: 48064158664

Hillman 5/16 in. Diameter x 3/4 in. Length Grade 5 Heat-Treated Zinc Steel Hex Head Cap Screw, Fine Thread, 100-Pack

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Description

Hillman 5/16 in. Diameter x 3/4 in. Length Grade 5 Heat-Treated Zinc Steel Hex Head Cap Screw, Fine Thread, 100-PackHillman Grade 5 Hex Head Cap Screws, 5 16 in. x 3 4 in., 100 Pack These Hillman Grade 5 hex head cap screws are heat treated zinc plated steel for dependable strength and wear resistance. Sized 5 16 in. diameter by 3 4 in. length with fine threads, theyre ideal for fastening into tapped holes or use with nuts in automotive, machinery, and general construction projects. Key Features: Durable Grade 5 Steel: Heat treated zinc finish resists wear and

Hillman Grade 5 Hex Head Cap Screws, 5/16 in. x 3/4 in., 100-Pack

These Hillman Grade 5 hex head cap screws are heat-treated zinc-plated steel for dependable strength and wear resistance. Sized 5/16 in. diameter by 3/4 in. length with fine threads, they’re ideal for fastening into tapped holes or use with nuts in automotive, machinery, and general construction projects.


Key Features:

  • Durable Grade 5 Steel: Heat-treated zinc finish resists wear and corrosion
  • Hex Head Design: Washer face under head provides a better seal and load distribution
  • Fine Thread: Partially threaded shank offers strong hold in metal assemblies
  • Versatile Use: For tapped holes or paired with nuts; tighten with wrench or drill
  • Bulk Pack Value: 100 screws for shop, jobsite, or maintenance stock

Specifications Table:

Specification Details
Brand Hillman
Diameter 5/16 inch
Length 3/4 inch
Material Steel
Finish Heat-treated zinc
Grade Grade 5
Thread Type Fine
Threading Partially threaded shank
Head Type Hex head with washer face under head
Unit of Measurement SAE
Number in Package 100 pack
Packaging Type Boxed
Tightening Method Use wrench or drill/driver
Category Hex Bolts
Package Dimensions (L x W x H) 3.4 in x 3.5 in x 2 in
Package Weight 2.6 lbs

Frequently Asked Questions (FAQ):

Q: Are these fully or partially threaded?
A: They are Grade 5 screws that are partially threaded along the shank.


Q: What thread type do they use?
A: Fine thread.


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


Q: Can these be used outdoors?
A: The zinc finish offers basic corrosion resistance; for harsh outdoor or marine environments, consider stainless or hot-dip galvanized fasteners.


Q: What size are these screws?
A: 5/16 inch diameter by 3/4 inch length.


Industrial polish in a precise, compact fastener

The clean geometry of a hex cap screw brings a tailored order to utility—streamlined, purposeful, quietly strong. Here, the heat-treated zinc sheen adds a subtle luminosity, a refined note against raw wood or cool steel. Style them with matte-black hardware and brushed metal accents to echo their crisp, engineered profile. Consider this your small-but-mighty essential for projects that demand durability with a disciplined aesthetic.


Stock up on these Grade 5 fine-thread cap screws today for reliable, ready-to-go fastening on every project.

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: 48064158664

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Freddy Maldonado
Lowell, US
★★★★★ 5
Good deal
Size: 8.5, Color: Black Leather
Honestly for the price there hard to beat. They look nice and are comfortable indeed, I like the silent step "non clackers" . For the size I'll recommend your normal size as they have a built in stretch part for extra comfort unless you know you have wide feet then go for the W, my 8 1/2 (non wide) fit perfectly without an issue. I'm just surprised that they came not in a box, there wrapped up well though didn't come damaged. For fancy shoes that don't come in a box there pretty good. 👍
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Reviewed in the United States on May 13, 2026
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Jimmy
Dallas, US
★★★★★ 5
The perfect work shoe
Size: 13, Color: Black Leather
I wear dress shoes everyday and I’m on my feet a lot. My wife is the same way and would always praise Clarks, but I didn’t think much of it. I’d always get Nunn Bush or something like that, but they weren’t comfortable or last very long. I happened to be at a Clarks store that was closing one time and picked up a pair of these and boy did everything change that day. Not only are they comfortable they last a long time. I get about one pair a year. That doesn’t mean they only last a year, I just try to keep a nice looking pair. I can wear them all day and my feet don’t hurt. And you get all the comfort without the bulkiness of other comfort footwear companies. They fit nice and don’t pinch or rub anywhere. They are definitely worth the full price, but they go on sale regularly to an even better deal so keep an eye out.
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Reviewed in the United States on June 12, 2024
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Scott
Phoenix, US
★★★★★ 5
Classic elegance with unmatched comfort
Size: 11 Wide, Color: Black Leather, Size: 11 Wide, Color: Black Leather
I recently purchased the Clarks Men's Oxford shoes, and I must say, I am thoroughly impressed. These shoes effortlessly blend classic elegance with unmatched comfort, making them a perfect addition to any wardrobe. The first thing that caught my attention was the timeless design. The Oxfords feature a sleek silhouette and high-quality leather craftsmanship that exude sophistication. Whether paired with formal attire or dressed down for a more casual look, these shoes consistently elevate my style. Beyond their aesthetics, the comfort level is exceptional. The cushioned insole provides excellent support throughout the day, making them ideal for long hours on my feet. Additionally, the outsole offers a confident grip, ensuring stability on various surfaces. I also appreciate the attention to detail in the stitching and overall construction. It's evident that Clarks prioritizes durability, and I believe these shoes will stand the test of time. One minor aspect worth mentioning is the initial break-in period. Like most high-quality leather shoes, they required a few wears to conform to my feet perfectly. However, once they molded, the fit became incredibly comfortable. In conclusion, the Clarks Men's Oxford shoes offer a winning combination of style, comfort, and durability. Whether for formal events or daily wear, they consistently deliver a polished and refined look. I highly recommend these Oxfords to anyone seeking a timeless and reliable footwear option.
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Reviewed in the United States on July 29, 2023
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CJ
Omaha, US
★★★★★ 5
Very Stylish!
Size: 11, Color: Dark Tan Leather
Surprisingly comfortable and very stylish. They can dress up an outfit of jeans and a nice shirt, next level look! 👏👏👏 True to size.
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Reviewed in the United States on December 31, 2025
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mckenna ♡
Boise, US
★★★★★ 5
amazing shoe for the price
Size: 11.5, Color: Black Leather
ordered these shoes last minute for my fiance- super nice quality, suer comfortable. honestly a great price for the quality you are getting! he said they were very easy to walk in as well! these shoes are true to size!
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Reviewed in the United States on November 10, 2025

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