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

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

Regular price $75.99

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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.

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