SKU: 82798532720

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

Sale price$22.49 Regular price$24.99
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Hillman 5/16 in. Diameter x 3/4 in. Length Grade 5 Heat-Treated Zinc Steel Hex Head Cap Screws, Coarse Thread (100-Pack)Hillman 5 16 in. x 3 4 in. Grade 5 Hex Cap Screws (100 Pack) These Hillman hex head cap screws are Grade 5 steel with a heat treated zinc finish for strength and wear resistance. Coarse threaded and partially threaded, theyre ideal for fastening into tapped holes or with nuts in general construction and repair. Key Features: Grade 5 Strength: Heat treated steel delivers reliable tensile strength for demanding applications Corrosion Resistant Finish:

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

These Hillman hex head cap screws are Grade 5 steel with a heat-treated zinc finish for strength and wear resistance. Coarse-threaded and partially threaded, they’re ideal for fastening into tapped holes or with nuts in general construction and repair.


Key Features:

  • Grade 5 Strength: Heat-treated steel delivers reliable tensile strength for demanding applications
  • Corrosion-Resistant Finish: Zinc coating helps protect against rust and wear
  • Coarse Thread, Partially Threaded: Ensures strong hold and easier starts in tapped holes
  • Washer Face Under Head: Provides a better seal and load distribution
  • Bulk Value Pack: 100 screws sized 5/16 in. diameter x 3/4 in. length for projects and maintenance

Specifications Table:

Specification Details
Diameter 5/16 inch
Length 3/4 inch
Material Steel
Finish Heat Treated Zinc
Grade 5
Thread Type Coarse (USS)
Threading Partially threaded shank
Head Type Hex head with washer face
Number in Package 100 pack
Packaging Type Boxed
Use For use with a nut or in a tapped hole; tighten with wrench or drill

Frequently Asked Questions (FAQ):

Q: Are these fully or partially threaded?
A: They are partially threaded along the shank with a coarse thread.


Q: What grade are these bolts?
A: Grade 5, suitable for many automotive, machinery, and general fastening uses.


Q: Can I use them outdoors?
A: The zinc finish offers basic corrosion resistance, but for harsh or marine environments consider galvanized or stainless hardware.


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


Q: Do they include nuts or washers?
A: No, this pack includes only hex head cap screws.


Industrial polish with everyday reliability

A crisp hex head in a cool zinc tone brings an understated, utilitarian elegance to built-ins and workshop fixtures. I love the washer-faced head—such a thoughtful detail that sits flush and clean. Pair these with matte-black brackets or raw oak shelving to strike a refined, hardworking contrast. It’s the quiet hardware hero that makes a space feel intentionally crafted.


Equip your project with Grade 5 strength—add this 100-pack to your cart and fasten with confidence.

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: 82798532720

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 1734 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
AndreaLM
Dallas, US
★★★★★ 3
nice LITTLE tables
Color: Black, Item Package Quantity: 2, Color: Black, Item Package Quantity: 2
these tables are ..... easy to assemble sturdy nice to look at HOWEVER missing 2 stars for... they are small and plugging in items such as my laptop cord made it bulky and always in my way. if there was a middle shelf that would help with the small tops if the outlet bar was on the side or under the top that would help with the bulky cord issue
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2025
A
Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 5
I give a 10,
Color: Black, Item Package Quantity: 1
I love it easy to symbol
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
P
Verified Purchase
PJay
Louisville, US
★★★★★ 1
End table
Color: Black, Item Package Quantity: 2
Size was not what I expected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
K
Verified Purchase
Kelypsoo
Whiting, US
★★★★★ 5
Need Battery's
Size: 31 x 7, Color: Black-rgb, Size: 31 x 7, Color: Black-rgb
Good floating shelves. I mounted the light strip on the top instead of the bottom because they don't stick well. For the price I wish they came with a set of batteries for the pack and the remote. But over all sturdy and well made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
S
Verified Purchase
Shawn
Charlottesville, US
★★★★★ 5
Very happy
I recently purchased a set of floating shelves, and I couldn't be happier with my decision! From the moment I opened the box, I was impressed by the quality of the materials. The shelves are sturdy and well-crafted, giving me confidence that they will hold my books and decorative items without any issues. Installation was a breeze! The package came with clear instructions and all the necessary hardware, making the process quick and hassle-free. I was able to mount them in no time, and I appreciated how everything lined up perfectly. As for the aesthetics, these shelves are a game changer for my space! They add a modern touch to my room and provide a stylish way to display my favorite pieces. The sleek design complements my décor beautifully, and I've received so many compliments from friends and family. Overall, these floating shelves exceeded my expectations in every way. They are not only functional but also enhance the look of my home. I highly recommend them to anyone looking for a stylish and easy-to-install shelving solution!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2025

recommand products