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Hillman

Hillman 5/16 in. Diameter x 2-1/2 in. Length Hot-Dipped Galvanized Steel Hex Bolt, 100-Pack

Hillman 5/16 in. Diameter x 2-1/2 in. Length Hot-Dipped Galvanized Steel Hex Bolt, 100-Pack

Regular price $58.99 USD
Regular price Sale price $58.99 USD
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Hillman Hot-Dipped Galvanized Hex Bolt, 5/16 in. x 2-1/2 in. (100-Pack)

Durable grade 2 hex bolts for general wood or metal fastening. Hot-dipped galvanization resists corrosion for outdoor and structural projects, with a partially threaded shank for added strength and reduced shear movement.


Key Features:

  • Corrosion Protection: Hot-dipped galvanized steel withstands harsh outdoor conditions
  • Reliable Grip: Partially threaded shank reduces shear movement between materials
  • General-Purpose Strength: Grade 2 rating suitable for most everyday fastening tasks
  • Versatile Applications: Ideal for wood-to-wood, wood-to-metal, and metal-to-metal connections
  • Bulk Convenience: 100-pack for efficient stocking and project continuity

Specifications Table:

Specification Details
Brand Hillman
Finish Hot Dipped Galvanized
Grade 2
Head/Diameter 5/16 inch
Length 2-1/2 inch
Material Steel
Count in Package 100
Packaging Type Boxed
Thread Type Coarse
Unit of Measurement Metric (spec listing)

Frequently Asked Questions (FAQ):

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


Q: Can I use these outdoors?
A: Yes. The hot-dipped galvanized finish provides strong corrosion resistance for exterior use.


Q: What washers and nuts should I pair with these?
A: Use washers and nuts of similar grade (Grade 2) and galvanized finish for compatibility.


Q: Do I need to pre-drill?
A: Pre-drilling pilot holes is recommended to ensure proper alignment and to prevent splitting in wood.


Q: What thread type do these bolts have?
A: Coarse thread.


Crisp, Industrial Fasteners with Weathered Elegance

These galvanized hex bolts bring a refined, utilitarian polish to outdoor structures and rustic installations. The matte, hot-dipped finish adds a subtle patina that feels intentional and enduring. Style them with raw timber beams or powder-coated steel brackets for a balanced, modern-industrial statement. A reliable essential that elevates functional details into quietly luxurious design moments.


Secure your next project with corrosion-resistant strength—add this 100-pack of Hillman galvanized hex bolts to your cart today.

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