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Hillman

Hillman 5/8 in. Diameter x 3-1/2 in. Length Zinc-Plated Steel Hex Bolt, 25-Pack

Hillman 5/8 in. Diameter x 3-1/2 in. Length Zinc-Plated Steel Hex Bolt, 25-Pack

Regular price $47.99 USD
Regular price Sale price $47.99 USD
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Hillman 5/8 in x 3-1/2 in Zinc-Plated Steel Hex Bolt (25-Pack)

Durable Grade 2 steel hex bolts with a zinc-plated finish for corrosion resistance in general construction and repair. Coarse-thread, partially threaded shank provides strong clamping force in wood, metal, and mixed-material applications.


Key Features:

  • General-Purpose Strength: Grade 2 steel suitable for most everyday fastening tasks
  • Corrosion Resistance: Zinc-plated finish helps prevent rust in typical environments
  • Secure Grip: Partially threaded shank reduces shear movement between materials
  • Versatile Applications: Ideal for wood-to-wood, wood-to-metal, and metal-to-metal connections
  • Bulk Convenience: 25-pack for jobsite efficiency and replenishment

Specifications Table:

Specification Details
Brand Name Hillman
Finish Zinc Plated
Grade Grade 2
Head Diameter 5/8 inch
Length 3-1/2 inch
Material Steel
Number in Package 25
Packaging Type Boxed
Thread Type Coarse
Unit of Measurement Imperial
Package Height 3.2 in
Package Width 4.3 in
Package Length 5.3 in
Package Weight 9 lbs

Frequently Asked Questions (FAQ):

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


Q: What thread type do these use?
A: Coarse thread, suitable for general fastening applications.


Q: Can I use these outdoors?
A: The zinc plating offers corrosion resistance for typical use; for harsh or marine environments, consider higher-grade or galvanized options.


Q: Which washers and nuts should I pair with these?
A: Use Grade 2 components with matching zinc-plated finish and the correct 5/8 in size.


Q: Do I need to pre-drill holes?
A: Yes, pre-drilling is recommended to ensure proper fit and to prevent splitting in wood.


Streamlined Utility with Polished Resilience

A zinc-plated hex bolt brings crisp, functional elegance to structural details, offering a subtle sheen that complements modern hardware palettes. The partially threaded shank is a quiet design hero—delivering strength and stability where it matters. Style it with matching zinc hardware for a cohesive, refined look across cabinetry or architectural accents. It’s a small detail that elevates everyday construction into luxurious order.


Secure your projects with reliable, corrosion-resistant strength—add this Hillman 25-pack to your toolkit today.

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