Hillman 7/16 in. Diameter x 3-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 25-Pack
SKU: 78777566802

Hillman 7/16 in. Diameter x 3-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 25-Pack

Sale price$28.79 Regular price$31.99
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Description

Hillman 7/16 in. Diameter x 3-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 25-PackHillman Grade 5 Hex Head Cap Screws, 7 16" x 3 1 2", 25 Pack Durable grade 5 hex head cap screws for heavy duty fastening in wood or metal. Made of steel with a heat treated zinc finish for added strength and wear resistance, partially threaded for secure clamping. Ideal for applications requiring a hex bolt tightened with a wrench or drill. Key Features: Grade 5 Strength: Heat treated steel provides reliable tensile strength for demanding projects

Hillman Grade 5 Hex Head Cap Screws, 7/16" x 3-1/2", 25-Pack

Durable grade 5 hex head cap screws for heavy-duty fastening in wood or metal. Made of steel with a heat-treated zinc finish for added strength and wear resistance, partially threaded for secure clamping. Ideal for applications requiring a hex bolt tightened with a wrench or drill.


Key Features:

  • Grade 5 Strength: Heat-treated steel provides reliable tensile strength for demanding projects
  • Corrosion-Resistant Finish: Zinc plating helps resist rust and wear in indoor and outdoor environments
  • Washer Face Head: Built-in bearing surface under the hex head for improved sealing and load distribution
  • Partially Threaded Shank: Offers strong clamping force and alignment where a hex bolt is required
  • Convenient Bulk Pack: 25 boxed screws sized 7/16 in. diameter x 3-1/2 in. length

Specifications Table:

Specification Details
Diameter 7/16 inch
Length 3-1/2 inch
Material Steel
Finish Heat Treated Zinc
Grade 5
Head Style Hex head with washer face
Thread Type Coarse (USS)
Threading Partially threaded
Number in Package 25 pack
Packaging Type Boxed
Tightening Method Wrench or drill
Category Hex Bolts
Package Height 3.5 in
Package Width 4.3 in
Package Length 4.3 in
Package Weight 4.3 lbs

Frequently Asked Questions (FAQ):

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


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


Q: What is the material and finish?
A: Steel with a heat-treated zinc finish for enhanced strength and wear resistance.


Q: What thread type do these use?
A: Coarse thread (USS).


Q: Can these be used where a hex bolt is specified?
A: Yes—hex cap screws serve the same purpose and include a washer face under the head.


Industrial polish with purposeful precision

This hex cap screw brings a clean, engineered elegance to exposed hardware moments. The zinc finish offers a subtle shimmer that pairs beautifully with raw woods and painted metals. Use them to anchor custom shelving brackets or a statement door strap for a refined, utilitarian edge. It’s a small detail that elevates everyday fixtures to a more sophisticated, enduring standard.


Secure your project with grade 5 strength—add this 25-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: 78777566802

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Courtney
Belleville, US
★★★★★ 5
Dog toy
Color: Blue
Great toy for tough chewers
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
J
Verified Purchase
jennifer langan
Lake Worth, US
★★★★★ 1
Smells like chemicals
Color: Blue
Good quality toy but it had a chemical smell. even after washing it my dog wouldn't play with it. Not recommended
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
F
Verified Purchase
Flash gordon
Louisville, US
★★★★★ 5
Durable
Color: Yellow
So far my huge pit mix breed likes this to a lot and I’m surprised that he hasn’t been able to chew it up little bit of pb inside it and he’s focused for a good 20 minutes it almost fits on his foot too
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Reviewed in the United States on February 5, 2026
A
Verified Purchase
Ask Angie
Omaha, US
★★★★★ 5
Cute chew toy for smaller dogs!
Color: Red, Color: Red
Soooo my new puppy Dottie was continually eating my favorite pair of crocs by sneaking into my closet. To solve this issue I thought I would buy her her own chewy croc and actually found one on Amazon! lol The chew toy is actually heavy and weighted and the material is hard enough for an effective teething toy but soft enough for the puppy to play with! My little Weeney dog loved it the second I took it out of the package! The fake croc chew toy is a very cute design with a fun, bright color. The chew toy material is constructed of durable rubber and will last a long time. I didn't like that it doesn't make noise and is small.. I believe it is better suited for smaller breads to use which was perfect for my puppies needs.
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Reviewed in the United States on September 24, 2025
J
Verified Purchase
JSpears
Omaha, US
★★★★★ 5
You should have one on standby.
Color: Yellow, Color: Yellow
This product was great for my teething Bully puppy, she, is an aggressive chewer. It gave her relief and kept her busy. In the 6 or 7 weeks that we've had it, it stood the test of time. She would chew 10 or 15 minutes at a time and nap from exhaustion. Overall, several hours of chewing. I must say this toy is not indestructable. In the end it was necessary to remove it and substitute another toy. The bully on the picture looks like a twin of my own pup. I did remove loose slivers and pieces that could be chewed off immediately. I am attaching a pic of the pre-disposal remnants for clarity. This is a tough toy but again, not indestructible.
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Reviewed in the United States on September 8, 2025

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