SKU: 6791821376

Hillman 3/8 in. Dia x 1-1/2 in. L Heat-Treated Zinc Steel Hex Head Cap Screw, 100-Pack

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Description

Hillman 3/8 in. Dia x 1-1/2 in. L Heat-Treated Zinc Steel Hex Head Cap Screw, 100-PackHillman Grade 5 Hex Head Cap Screw, 3 8 in. x 1 1 2 in., 100 Pack Heavy duty hex head cap screws engineered from heat treated zinc plated steel for strong, wear resistant fastening. Grade 5 strength with partially threaded shank and washer face under the head delivers secure clamping in machinery, automotive, and structural applications. Key Features: Grade 5 Strength: Heat treated steel provides robust tensile strength for demanding projects

Hillman Grade 5 Hex Head Cap Screw, 3/8 in. x 1-1/2 in., 100-Pack

Heavy-duty hex head cap screws engineered from heat-treated zinc-plated steel for strong, wear-resistant fastening. Grade 5 strength with partially threaded shank and washer face under the head delivers secure clamping in machinery, automotive, and structural applications.


Key Features:

  • Grade 5 Strength: Heat-treated steel provides robust tensile strength for demanding projects
  • Corrosion-Resistant Finish: Zinc plating helps protect against rust and wear
  • Washer Face Head: Built-in washer face improves seal and load distribution under the head
  • Partially Threaded Shank: Coarse threads with an unthreaded section for precise alignment and strong clamping
  • Versatile Use: Ideal for use with a nut or tapped hole; tighten with a wrench or drill

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 1-1/2 inch
Material Steel
Finish Heat Treated Zinc
Grade Grade 5
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded along shank
Number in Package 100
Packaging Type Boxed
Use For use with a nut or in a tapped hole; tighten with a wrench or drill
Package Height 3.5 in
Package Width 4.3 in
Package Length 4.3 in
Package Weight 5.6 lbs

Frequently Asked Questions (FAQ):

Q: Are these fully or partially threaded?
A: They are Grade 5 cap screws with a partially threaded shank and coarse thread.


Q: What size and length are the screws?
A: Each screw is 3/8 inch diameter and 1-1/2 inch length.


Q: Can these be used outdoors?
A: The zinc finish offers basic corrosion resistance, suitable for many indoor and light outdoor applications; for harsh environments, consider galvanized or stainless options.


Q: Do they have a built-in washer?
A: They feature a washer face under the hex head to improve sealing and load distribution.


Q: How many are in the box?
A: The package contains 100 screws.


Industrial polish that anchors the look

These hex cap screws bring a crisp, tailored hardware detail that feels both utilitarian and refined. The zinc sheen adds a subtle gleam, while the washer-faced head creates a clean, purposeful silhouette. Use them to unify exposed-joint furniture or workshop shelving for a cohesive, engineered aesthetic. A small detail with big impact—essential hardware for elevated, durable design.


Secure your projects with Grade 5 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: 6791821376

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CountryChowChows
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Reviewed in the United States on March 21, 2026
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Monica M.
Lexington, US
★★★★★ 5
Works great on Tooth Fairy Money
Color: purple, Color: purple
I bought this to spray money from the tooth fairy as a bit of magic fair dust. It takes a bit of time to dry and a bit does come off once dry but the pure excitement from my daughter is totally worth it! It's easy to apply and washes off my hands easily so I don't get caught. I love the bright purple color and it doesn't have that hairspray smell to it either.
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Reviewed in the United States on July 16, 2024
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Amazon Customer
New York, US
★★★★★ 4
Great glitter spray
Color: purple
This spray was exactly what I wanted. Not sticky at all and gave a really pretty sparkle to my skin and hair. The scent is a bit strong for me but not unpleasant and dissipated quickly. The only issue I had was the bottle clogged up within seconds after the first use, hence the 4 stars instead of 5.
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Reviewed in the United States on April 3, 2024
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Shannon
Fort Morgan, US
★★★★★ 5
just get it
Color: purple
tiny sparkles, makes a nice purple "glow" to the complexion. pump it hard so it atomizes good and warn anyone behind you. it appears to be designed to cover a fair amount of real estate , not for detail work.
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Reviewed in the United States on January 2, 2026
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Stephanie Minichini
Draper, US
★★★★★ 2
Not as visible as i expected
Color: Silver
Bought this for my daughter's cheer comp hair and it is hardly visible. You can't see it at all and its very very watery.
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Reviewed in the United States on December 29, 2024

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