SKU: 49516403205

Hillman 3/8 in. Dia x 3/4 in. L Heat-Treated Zinc Steel Hex Head Cap Screw, 100-Pack

Sale price$32.26 Regular price$35.84
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Description

Hillman 3/8 in. Dia x 3/4 in. L Heat-Treated Zinc Steel Hex Head Cap Screw, 100-PackHillman 3 8" x 3 4" Zinc Steel Hex Head Cap Screw (100 Pack) Durable Grade 5 hex head cap screws for reliable fastening in wood, metal, and machinery. Heat treated zinc plated steel resists corrosion while delivering strong clamping force for everyday construction and repair jobs. Key Features: Heavy Duty Strength: Grade 5, heat treated steel provides dependable tensile strength for structural fastening Corrosion Resistant: Zinc plated finish helps

Hillman 3/8" x 3/4" Zinc Steel Hex Head Cap Screw (100-Pack)

Durable Grade 5 hex head cap screws for reliable fastening in wood, metal, and machinery. Heat-treated zinc-plated steel resists corrosion while delivering strong clamping force for everyday construction and repair jobs.


Key Features:

  • Heavy-Duty Strength: Grade 5, heat-treated steel provides dependable tensile strength for structural fastening
  • Corrosion Resistant: Zinc-plated finish helps protect against rust in indoor and sheltered outdoor applications
  • Precise Fit: 3/8"-16 coarse thread for secure engagement with standard nuts and tapped holes
  • Clean Hex Drive: Hex head allows high torque with wrench or socket for quick, confident installs
  • Bulk Value Pack: 100-piece box supports jobsite, shop, or inventory needs

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 3/4 inch
Thread 3/8"-16 (coarse)
Head Type Hex head
Material Steel
Grade Grade 5 (heat-treated)
Finish Zinc-plated
Pack Quantity 100 pieces
Manufacturer Hillman Group Rsc
Manufacturer Number 200117
SKU 57428
Product Dimensions (package) 7 x 4.5 x 2 inches
Package Weight 7.4 lb

Frequently Asked Questions (FAQ):

Q: What grade are these bolts?
A: They are Grade 5 heat-treated steel for medium-high strength applications.


Q: What is the thread specification?
A: 3/8"-16 coarse thread.


Q: Are these suitable for outdoor use?
A: The zinc plating offers basic corrosion resistance; for harsh or exposed environments, consider hot-dip galvanized or stainless steel.


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


Q: What tools are needed for installation?
A: Use a matching-size wrench or socket on the hex head; pre-drill/tap 3/8"-16 holes or pair with 3/8"-16 nuts.


Industrial polish with purposeful strength

Sleek zinc tones bring a refined utility to projects where every detail matters. The crisp hex head and tight threads feel engineered—clean, efficient, and confident. Style open shelving or metal brackets with these for a subtle glint that complements raw woods and matte blacks. A small hardware choice that elevates the finish of a space with quiet luxury.


Outfit your next build with dependable, corrosion-resistant fasteners—add this 100-pack of Hillman Grade 5 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: 49516403205

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Verified Purchase
Wesley
Dallas, US
★★★★★ 1
It’s a hard no from me
Color: Black, Size: Upgraded Base-1 Panel
I ordered two of these black, single screen panels several months ago. I ordered an additional four I needed a few days ago so I would have the total of 6 that I ended up needing. I did so by clicking on my past order (2 screens) item page and simply placed my recent order for 4 more. Two of the six screens have bolts that don’t fully screw down, such that one of each panel’s four points where the screen attaches to the two legs isn’t fully screwed down and flush. As a result, the screen doesn’t stay entirely vertical -It’s warped askew. Also, 3 of the six screens are different heights than the other 3. It’s clear to me that this company has ZERO QUALITY CONTROL, as there’s not anything that is even adjustable on these screens that leaves room for user error. Additionally, there are four black rubber circles that come in the “parts/screws” bag that don’t have corresponding installation instructions in the instruction manual. Just spend a little more and go with a better quality product somewhere else.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2025
M
Verified Purchase
Matthew D
Natrona Heights, US
★★★★★ 5
Great multipurpose wall
Color: Black, Size: Upgraded Base-1 Panel, Color: Black, Size: Upgraded Base-1 Panel
Perfect for her to hide behind
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
M
Verified Purchase
Mike
Fort Morgan, US
★★★★★ 5
Works For Desired Use
Color: Black, Size: 4 Panel-136‘’W-Round Pad
I recently purchased the Room Divider 6FT Folding Privacy Screens, 4 Panel Partition Room Dividers, and I must say, it has transformed the way I use my living space. The four-panel design is both elegant and functional, providing instant privacy without feeling bulky or overwhelming in my room. Setting it up was a breeze; the folding mechanism is smooth, allowing me to adjust the configuration as needed—straight, angled, or zigzag. I particularly appreciate the sturdy build; the panels feel solid yet lightweight, making it easy to move around when I want to reconfigure my space. Aesthetically, it’s a great addition. The neutral finish blends well with my décor, and the simple design doesn’t draw too much attention while still offering a sense of separation. It’s perfect for creating a temporary office corner, dividing a studio apartment, or even using it as a backdrop for online meetings. If I had to point out a minor downside, it would be that the divider isn’t completely soundproof—so conversations can still carry through—but for visual privacy and space management, it’s excellent. Overall, I’m extremely satisfied and would recommend it to anyone looking for a versatile and stylish room divider.
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Reviewed in the United States on February 24, 2026
A
Verified Purchase
Ansley
Boise, US
★★★★★ 5
True to size & Use a Drill
Color: Beige, Size: 3 Panel-102‘’-Round Pad, Color: Beige, Size: 3 Panel-102‘’-Round Pad
Love this! Works perfectly for where I wanted it. I did measure my room incorrectly and thought it would be smaller, thankfully it’s not and thankfully it’s not bigger than the room itself. I did like how the whole thing was move-able but it was a bit annoying so I just added extra clips to the left of the middle one and unscrewed the right of the middle at the bottom so it opens like a door, this did make it a bit flimsy but duck taping it to the wall as anchor it works. 100% recommend, but do suggest a drill and a second set of hands to put it together, due to its size it can be a bit difficult to maneuver putting together yourself. Also if you have a clingy cat like I do, and think this will help keep them out, no, my cat who is very large can manage to squeeze underneath it.
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Reviewed in the United States on March 9, 2024
S
Verified Purchase
Sam
New York, US
★★★★★ 1
waste of money
Color: Black, Size: 4 Panel-136‘’W-Round Pad
This is a total waste of money. Its only going to free stand if you arent moving it. If you are planning on dividing a room, and then folding these for space and then dividing the room again, itll last a few days. The poles kept coming off of the screws that holds the fabric on the poles together. Was fixing this EVERY DAY. Finally got tired of doing this and just threw it out. Lot of money spent on garbage. Get a sheet room divider, or something that isnt cheaply made. Was simply making an office type space in a bedroom, to seperate the two areas for work, and folding it kept making the poles come off those twisted screws. just not worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026

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