SKU: 86673883067

Hillman 3/8 in. Diameter x 1-1/4 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 100-Pack

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Description

Hillman 3/8 in. Diameter x 1-1/4 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 100-PackHillman 3 8 in. x 1 1 4 in. Grade 5 Zinc Hex Head Cap Screws (100 Pack) Durable grade 5 hex head cap screws engineered for strong, reliable fastening in wood, metal, and machinery applications. Made from heat treated steel with a zinc finish to resist wear and corrosion, these partially threaded bolts feature a washer face for a secure seal. Key Features: Grade 5 Strength: Heat treated steel delivers higher tensile strength for demanding projects

Hillman 3/8 in. x 1-1/4 in. Grade 5 Zinc Hex Head Cap Screws (100-Pack)

Durable grade 5 hex head cap screws engineered for strong, reliable fastening in wood, metal, and machinery applications. Made from heat-treated steel with a zinc finish to resist wear and corrosion, these partially threaded bolts feature a washer face for a secure seal.


Key Features:

  • Grade 5 Strength: Heat-treated steel delivers higher tensile strength for demanding projects
  • Corrosion-Resistant Finish: Zinc plating helps protect against rust and wear
  • Washer Face Head: Integrated bearing surface under the hex head improves sealing and load distribution
  • Partially Threaded Shank: Enhances alignment and grip when used with tapped holes or nuts
  • Contractor Pack: 100-piece box for convenient bulk use and jobsite replenishment

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 1-1/4 inch
Material Steel
Finish Heat Treated Zinc
Grade 5 (USS Grade 5)
Thread Type Coarse
Head Style Hex head with washer face
Partially Threaded Yes
Number in Package 100 pack
Packaging Type Boxed
Tightening Method Use wrench or drill

Frequently Asked Questions (FAQ):

Q: What tools are needed to install these?
A: Tighten with a wrench or a drill using the appropriate hex bolt head size.


Q: Are these fully or partially threaded?
A: They are partially threaded along the shank (USS grade 5).


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


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


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


Industrial polish with everyday strength

These zinc-kissed hex cap screws bring a clean, purposeful edge to exposed hardware moments. The crisp washer-faced head feels tailored, lending order and precision to built-ins or custom metalwork. Try pairing them with matte-black brackets for a nuanced mix of luster and depth. A small detail that quietly elevates the luxury of the whole piece.


Equip your next build with dependable, corrosion-resistant fastening—add this 100-pack 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: 86673883067

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★★★★★ 5
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Reviewed in the United States on April 22, 2026
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★★★★★ 5
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I never write reviews but these pillow cases absolutely deserve one!!! These are absolutely amazing! So soft and cool! I sweat so bad every night!! I wake up and my hair, shirt and pillow are drenched!!! I slipped these bad boys on as soon as they came in, and let me tell you! They were cold to the touch, I woke up this morning and I wasn’t sweating! I thought $20 something dollars was a little expensive for 2 pillow cases but was totally worth it! We love love love them!🩷🩷🩷Hubby approved😉
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Reviewed in the United States on May 18, 2026
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Mrs C
Louisville, US
★★★★★ 5
Stretchy Material and Cooling Fabric
Color: Light Gray, Size: Standard, Color: Light Gray, Size: Standard
Material: is very stretchy and cools well. It has a zipper which is good because the fabric is very soft and slippery and if it didn’t have a zipper the pillow would not stay in the case. Durability: zipper works great and material is easy to clean. Color: I have the gray and my daughter has the pink. Both colors as advertised. Value: Good value and I got what I expected.
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★★★★★ 4
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Color: Dark Gray, Size: Queen
Very comfortable and cooling. But after a couple of washes the stitching starts to unravel.
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Fort Morgan, US
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I LOVE THESE PILLOW CASES. I love the zipper so it stays on the pillow, how it stays cool, and the fabric. Worth it 100%
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