SKU: 75224118639

Hillman 3/8 in. Diameter x 6-1/2 in. Length Zinc-Plated Steel Hex Bolt, 50-Pack

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Description

Hillman 3/8 in. Diameter x 6-1/2 in. Length Zinc-Plated Steel Hex Bolt, 50-PackHillman Zinc Plated Steel Hex Bolt, 3 8 in x 6 1 2 in (50 Pack) Durable Grade 2 hex bolts for general fastening in wood, metal, or mixed applications. Zinc plated steel resists corrosion, and the partially threaded shank enhances grip and reduces shear movement. Ideal for projects requiring dependable, easy to use machine bolts. Key Features: General Purpose Strength: Grade 2 steel construction suitable for most everyday fastening tasks Corrosion

Hillman Zinc-Plated Steel Hex Bolt, 3/8 in x 6-1/2 in (50-Pack)

Durable Grade 2 hex bolts for general fastening in wood, metal, or mixed applications. Zinc-plated steel resists corrosion, and the partially threaded shank enhances grip and reduces shear movement. Ideal for projects requiring dependable, easy-to-use machine bolts.


Key Features:

  • General-Purpose Strength: Grade 2 steel construction suitable for most everyday fastening tasks
  • Corrosion Resistance: Zinc-plated finish helps protect against rust in typical environments
  • Improved Grip: Partially threaded shank reduces shear movement between joined materials
  • Versatile Use: Works for wood-to-wood, wood-to-metal, and metal-to-metal connections
  • Bulk Value: Convenient 50-pack for jobsite and workshop inventory

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 6-1/2 inch
Material Steel
Finish Zinc Plated
Grade Grade 2
Head Type Hex
Thread Type Coarse
Number in Package 50
Packaging Type Boxed
Applications Wood-to-wood, wood-to-metal, metal-to-metal
Partially Threaded Yes
Unit of Measurement Listed as Metric (site data) – dimensions provided in inches
Package Height 4 in
Package Width 9 in
Package Length 4.5 in
Package Weight 10.9 lbs

Frequently Asked Questions (FAQ):

Q: Are these bolts fully threaded?
A: No. They feature a partially threaded shank to improve grip and reduce shear.


Q: What washers and nuts should I use?
A: Use Grade 2 hardware with a matching zinc-plated finish for best compatibility.


Q: Can these be used outdoors?
A: The zinc plating provides basic corrosion resistance for typical outdoor use; for harsher environments, consider higher-grade or galvanized options.


Q: Do I need to pre-drill?
A: Yes. Pre-drill holes appropriate to the bolt diameter to ensure proper fit and prevent splitting.


Q: What thread type is used?
A: Coarse thread, suitable for general applications.


A Clean, Industrial Accent in Functional Form

The hex bolt’s crisp geometry brings a subtle, industrial rhythm to joinery and exposed hardware moments. Zinc plating lends a cool, polished sheen that pairs beautifully with natural woods and matte black fixtures. Try showcasing a few fasteners in open shelving or timber frames to celebrate their honest utility. It’s a small detail that elevates everyday builds into refined, modern craft.


Choose this 50-pack of Hillman hex bolts for reliable, corrosion-resistant fastening that keeps your projects secure and looking sharp.

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: 75224118639

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★★★★★ 3
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Reviewed in the United States on December 31, 2025
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robert romero
Omaha, US
★★★★★ 5
⭐⭐⭐⭐⭐ Durable Protection That Holds Up in Any Weather
Size: 65 inch, Color: Black
This grill cover is exactly what I needed. The material feels thick and heavy-duty, and it holds up great against sun, wind, and rain. The waterproof design really works—my grill stays completely dry. I also love the secure fit with the hook-and-loop straps; it doesn’t blow off in strong winds. No fading so far either. Great quality and a solid investment to protect your grill!
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Reviewed in the United States on May 26, 2026
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Diane Beach Lover
Omaha, US
★★★★★ 5
Good quality, great price
Size: 72 Inch, Color: Black, Size: 72 Inch, Color: Black
Lovely cover and very well-made. I’m not using it for a grill. I am using it for my beach cruiser bike. I love the fact that it’s reflective fabric on the inside. It fits very well and it’s very lightweight and well maneuverable compared to the thicker fabrics that are sold out there. I highly recommend this item. I’ve only had it for a couple weeks, but so far very waterproof and doing the job. Easy to put on and remove.
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Reviewed in the United States on May 28, 2026
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IM
Louisville, US
★★★★★ 4
Good quality, water resistant
Size: 52 inch, Color: Black
Feels thinner than the one I had before this which was the same company and model. Still good quality and value for the money. Fits well and looks good. Is water resistant and black is the true color. We’ll see how sturdy it is over the years.
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Reviewed in the United States on February 19, 2026
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Terra Ternes
Lowell, US
★★★★★ 5
Good cover for the price
Size: 58 inch, Color: Black
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