SKU: 21659797743

Hillman 3/8 in. Diameter x 1-3/4 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-Pack

Sale price$46.79 Regular price$51.99
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Description

Hillman 3/8 in. Diameter x 1-3/4 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-PackHillman Grade 5 Hex Head Cap Screws, 3 8" x 1 3 4", 50 Pack These Hillman hex head cap screws deliver strong, reliable fastening for structural and machinery projects. Made from heat treated zinc plated steel, they offer enhanced strength and wear resistance with a washer faced head for better sealing. Ideal for use with a nut or tapped hole where a durable Grade 5 fastener is required. Key Features: Durable Construction: Heat treated zinc plated

Hillman Grade 5 Hex Head Cap Screws, 3/8" x 1-3/4", 50-Pack

These Hillman hex head cap screws deliver strong, reliable fastening for structural and machinery projects. Made from heat-treated zinc-plated steel, they offer enhanced strength and wear resistance with a washer-faced head for better sealing. Ideal for use with a nut or tapped hole where a durable Grade 5 fastener is required.


Key Features:

  • Durable Construction: Heat-treated zinc-plated steel resists wear and corrosion
  • Reliable Strength: Grade 5, partially threaded for secure holding power
  • Better Seal: Washer face under the head improves load distribution and sealing
  • Versatile Use: Fits nuts or tapped holes; tighten with a wrench or drill
  • Bulk Convenience: 50-pack for jobsite and shop projects

Specifications Table:

Specification Details
Brand Name Hillman
Finish Heat Treated Zinc
Grade Grade 5
Head Diameter 3/8 inch
Length 1-3/4 inch
Material Steel
Number in Package 50 pack
Packaging Type Boxed
Thread Type Coarse
Unit of Measurement Imperial
Type Hex Head Cap Screw

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: They are partially threaded along the shank, providing strong grip with reduced shear risk.


Q: What tools are required for installation?
A: Tighten with a standard wrench or compatible drill/driver and hex socket.


Q: Can these be used outdoors?
A: The zinc finish offers corrosion resistance, but for harsh environments consider galvanized or stainless options.


Q: What thread type do these have?
A: Coarse thread suitable for general-purpose fastening with nuts or tapped holes.


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


Industrial Poise with Polished Strength

These hex cap screws bring crisp, architectural detailing to hardware moments that matter. The heat-treated zinc finish offers a sleek, silvery sheen, pairing strength with refinement. Use them to elevate exposed fastener designs on shelving brackets or utility furniture. A quiet essential for a tailored, luxe industrial look.


Secure your projects with dependable Grade 5 strength—add this 50-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: 21659797743

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Mark S.
Waukegan, US
★★★★★ 4
Quite good for costume quality
Color: Gold, Size: Medium
For eighty bucks this definitely isn't bad. It arrived slightly out of shape but after a few days on a good hanger, it all fell into place. I had no issues with fit--the medium wears as expected (6', 38" chest). It's a fun jacket, it's not far off from the product photos, and it certainly makes an impression. While it doesn't feel 'premium' per se, it doesn't feel cheap either. The liner is solid enough that the sequins don't feel too scratchy or restrictive. Definitely a niche item--certainly more of a costume piece than something you'd wear to make a bold impression at a formal event, and while not inexpensive, it delivers for the price and I don't think you could do much better for $80.
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Reviewed in the United States on January 19, 2026
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Ruta G.
Whiting, US
★★★★★ 5
Fun and well made.
Size: Large, Color: Black
Very good looking blazer. Fun, well made.
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Reviewed in the United States on April 4, 2026
D
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Danielle Salamone
Los Angeles, US
★★★★★ 5
Stylish
Size: Large, Color: Black, Size: Large, Color: Black
Fits like we had hoped. We purchased another one different brand and it was terrible quality. But this jacket was my son’s style and comfortable. Just what he was looking for
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Reviewed in the United States on November 19, 2025
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Honest Reviews for You
Grantham, US
★★★★★ 4
Shiny Small Sequin Blazer
Size: Small, Color: Black
This tuxedo blazer is one for the looks. It’s shiny black 100% polyester material, with a mesh net on the left side that has dark gold plastic sequins sewn on in a tree pattern. The material is taut with seams at the sides and the middle of the back. There is a single button. There are no pockets outside nor inside the jacket. The quality will hold up and is a decent value for the money. This was for a 5’5 male of slim build and fit quite snug. The measurement in inches: 17 - shoulders; 23 - sleeves; 27-1/2 nape to bottom of blazer.
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Reviewed in the United States on April 29, 2026
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George F.
Massapequa, US
★★★★★ 5
Size a tad small
Size: Large, Color: Black
So many compliments so don’t buy this if you don’t like people to notice. I’d say fits a tad on the small side.
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Reviewed in the United States on December 26, 2025

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