SKU: 72836356240

Hillman 5/16 in. D x 3/4 in. L Heat Treated Steel Hex Head Cap Screw, Coarse Thread, Grade 8, 100-Pack

Sale price$30.51 Regular price$33.90
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Description

Hillman 5/16 in. D x 3/4 in. L Heat Treated Steel Hex Head Cap Screw, Coarse Thread, Grade 8, 100-PackHillman Grade 8 Hex Head Cap Screws, 5 16 in. x 3 4 in. (100 Pack) Heavy duty Grade 8 hex head cap screws made from heat treated steel for high strength fastening. Sized 5 16 in. diameter by 3 4 in. length with coarse threads, ideal for machinery, automotive, and structural applications. Key Features: High Strength Grade 8: Heat treated steel delivers superior tensile strength for demanding applications. Coarse Thread: Provides secure fastening and

Hillman Grade 8 Hex Head Cap Screws, 5/16 in. x 3/4 in. (100-Pack)

Heavy-duty Grade 8 hex head cap screws made from heat-treated steel for high-strength fastening. Sized 5/16 in. diameter by 3/4 in. length with coarse threads, ideal for machinery, automotive, and structural applications.


Key Features:

  • High Strength Grade 8: Heat-treated steel delivers superior tensile strength for demanding applications.
  • Coarse Thread: Provides secure fastening and quicker assembly in tapped holes or with nuts.
  • Hex Head Design: Compatible with wrench or drill drivers for easy tightening and removal.
  • Washer Face Under Head: Enhances load distribution and resists loosening.
  • Bulk 100-Pack: Boxed packaging ensures ample supply for projects and maintenance.

Specifications Table:

Specification Details
Diameter 5/16 in
Length 3/4 in
Material Heat-treated steel
Finish Heat Treated
Grade 8
Thread Type Coarse
Head Type Hex head
Pack Quantity 100
Packaging Type Boxed
Each Weight 2.500 lb (package)

Frequently Asked Questions (FAQ):

Q: Are these screws fully or partially threaded?
A: They are partially threaded Grade 8 hex cap screws.


Q: What tools are recommended for installation?
A: Install with a wrench or a drill driver that fits the hex head.


Q: Do these work with standard nuts and washers?
A: Yes, they are designed for use with compatible nuts and washers matching the 5/16 in. coarse thread.


Q: What is the thread type?
A: Coarse thread.


Q: What applications are they suited for?
A: Ideal for automotive, machinery, and structural fastening where high strength is required.


Industrial Strength, Clean Precision

These Grade 8 hex cap screws bring a refined industrial edge to any project, pairing robust performance with crisp geometry. The heat-treated steel and coarse thread offer dependable grip while the hex head adds a graphic, utilitarian statement. Style them with black oxide hardware for a modern contrast in exposed mechanical details. A staple of elevated, hardworking design, they anchor spaces with confidence and clarity.


Upgrade your fasteners to Grade 8 strength—add this 100-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: 72836356240

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Suzanne
San Leandro, US
★★★★★ 5
Value purchase
This item arrived well packaged, intact with timely delivery. I am satisfied with the product
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Reviewed in the United States on December 5, 2022
G
Verified Purchase
G Jain
Fort Morgan, US
★★★★★ 4
works
i feel like the hole isn’t as small as before so less pressure now
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Reviewed in the United States on October 11, 2024
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Kman
Omaha, US
★★★★★ 5
Effective
Works well
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Reviewed in the United States on February 26, 2023
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GG
Lowell, US
★★★★★ 5
Works.
Fits.
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Reviewed in the United States on December 11, 2022
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Sydney
Omaha, US
★★★★★ 5
Great Long-Lasting Replacement Heads for BURST Toothbrush
Color: Rose Gold, Color: Rose Gold
I really like these replacement toothbrush heads for my BURST electric toothbrush. They seem to last a very long time compared to many other toothbrush heads I have tried. The bristles hold up really well and do not get worn down or frayed quickly, even with regular use. While I still try to replace my toothbrush heads routinely for hygiene purposes, I honestly feel like these could easily last for several months if needed. The replacement heads attach perfectly to the toothbrush and feel very secure once connected. I also appreciated that they offer them in pink because it matches my toothbrush perfectly and adds a fun touch. The price also feels pretty reasonable for a three-pack considering the quality and durability of the heads themselves. My only small complaint is that they are made of plastic, which I personally do not love from an environmental standpoint. I also am still undecided about the black bristles because it can make it harder to tell if the toothbrush is fully clean after use. Other than that, the product arrived exactly as described and pictured, and overall I think these are excellent replacement heads for anyone using a BURST toothbrush.
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Reviewed in the United States on May 24, 2026

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