SKU: 82942587741

Hillman 7/16 in. Diameter x 3 in. Length Heat-Treated Steel Hex Head Cap Screw, 50-Pack

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Description

Hillman 7/16 in. Diameter x 3 in. Length Heat-Treated Steel Hex Head Cap Screw, 50-PackHillman Grade 8 Hex Head Cap Screws, 7 16 in. x 3 in. (50 Pack) Heavy duty hex head cap screws engineered from heat treated steel for superior strength and wear resistance. The grade 8, partially threaded design with a washer face under the head delivers secure fastening in machinery, automotive, and structural applications. Key Features: Grade 8 Strength: Heat treated steel provides high tensile performance for demanding applications Washer Face

Hillman Grade 8 Hex Head Cap Screws, 7/16 in. x 3 in. (50-Pack)

Heavy-duty hex head cap screws engineered from heat-treated steel for superior strength and wear resistance. The grade 8, partially threaded design with a washer face under the head delivers secure fastening in machinery, automotive, and structural applications.


Key Features:

  • Grade 8 Strength: Heat-treated steel provides high tensile performance for demanding applications
  • Washer Face Head: Built-in bearing surface under the hex head for a better seal and load distribution
  • Partially Threaded Shank: Added shear strength and precise alignment where a hex bolt is needed
  • Coarse Thread: Reliable engagement for quick installation with a wrench or drill
  • 50-Pack Convenience: Boxed bulk quantity for shop, jobsite, or maintenance needs

Specifications Table:

Specification Details
Brand Hillman
Diameter 7/16 inch
Length 3 inch
Material Steel
Finish/Treatment Heat-treated; yellow dichromate finish (web)
Grade Grade 8
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded shank
Number in Package 50 pack
Packaging Type Boxed
Unit of Measurement Listed as Metric on web; dimensions provided in inches
Package Height 3.2 in
Package Width 4.3 in
Package Length 5.3 in
Package Weight 7.4 lbs

Frequently Asked Questions (FAQ):

Q: Are these bolts fully or partially threaded?
A: They are partially threaded along the shank, offering added shear strength.


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


Q: What finish or treatment do they have?
A: They are heat-treated grade 8 steel; the product image and web data indicate a yellow dichromate-like finish for wear resistance.


Q: What thread type do these bolts use?
A: Coarse thread.


Q: What is included in the package?
A: A boxed 50-pack of 7/16 in. diameter x 3 in. length hex head cap screws.


Industrial Poise with Precision

These grade 8 cap screws bring a clean, purposeful aesthetic to exposed hardware moments, marrying function with a restrained, industrial beauty. The subtle yellow-chrome hue adds a refined accent against raw timber or dark steel. Use them to anchor custom shelving brackets or a sculptural metal frame for a striking, utilitarian statement. Their robust finish and exacting profile make them an essential detail in luxe, performance-driven spaces.


Secure your build with grade 8 reliability—add this 50-pack of Hillman hex head cap screws to your project 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: 82942587741

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4.3 ★★★★★
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A
Verified Purchase
Anthony Armenta
Phoenix, US
★★★★★ 5
right size for your dock.
Fit perfectly. Everything is nice and neat.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
J
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Justin B.
West Palm Beach, US
★★★★★ 5
Sturdy, worked well
Holds it sturdy
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Reviewed in the United States on December 21, 2025
B
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bms
Pawtucket, US
★★★★★ 5
Solid as described
Value for money and easy installation
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Reviewed in the United States on October 4, 2025
A
Verified Purchase
Adam
Boise, US
★★★★★ 5
Great for a gaming laptop!
Color: Black, Size: 1.37" without hook
Great product is you want to mount any size laptop under your desk. I used it for my Alienware gaming laptop and it's fantastic! The three points of contact hold the laptop securely, while allowing maximum airflow for the fans. The three "clamps" are rock solid and will definitely outlive the laptop. The installation was simple and easy, just need a drill.
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Reviewed in the United States on March 15, 2026
D
Verified Purchase
David H.
Bozeman, US
★★★★★ 5
under desk laptop system
Color: Black, Size: 1.37" without hook
Reclaimed real desk space with this one. The mount holds the laptop securely underneath without any vibration or creaking and the installation required no drilling — clamped cleanly to the desk edge. The ventilation spacing is generous enough that thermals stay reasonable even under load. Works with a solid range of laptop sizes and the adjustment mechanism is easy to use. If your laptop spends most of its time docked this is the cleanest way to get it out of the way.
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Reviewed in the United States on March 25, 2026

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