Hillman 5/16 in. Diameter x 3/4 in. Length Zinc-Plated Steel Hex Bolt, 100-Pack

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Hillman Zinc-Plated Steel Hex Bolt, 5/16 in. x 3/4 in., 100-Pack

Durable Grade 2 hex bolts for general fastening in wood, metal, or mixed materials. Zinc-plated steel resists corrosion while a partially threaded shank provides strong grip and reduced shear movement.


Key Features:

  • General-Purpose Strength: Grade 2 steel suitable for most everyday fastening tasks
  • Corrosion Resistance: Zinc-plated finish helps protect against rust in typical environments
  • Improved Hold: Partially threaded shank enhances grip and limits shear movement
  • Versatile Applications: Ideal for wood-to-wood, wood-to-metal, and metal-to-metal connections
  • Bulk Convenience: 100-pack for stocking shops and job sites

Specifications Table:

Specification Details
Diameter 5/16 inch
Length 3/4 inch
Finish Zinc Plated
Material Steel
Grade Grade 2
Head Type Hex
Thread Type Coarse
Shank Partially threaded
Number in Package 100 pack
Packaging Type Boxed
Unit of Measurement Metric
Package Height 2.2 in
Package Width 3.5 in
Package Length 3.4 in
Package Weight 1.9 lbs

Frequently Asked Questions (FAQ):

Q: Are these bolts fully threaded?
A: They feature a partially threaded shank for stronger grip and reduced shear movement.


Q: What washer/nut grade should I use?
A: Match with Grade 2 washers and nuts for consistent performance.


Q: Will these resist rust outdoors?
A: The zinc plating offers corrosion resistance for typical use; for harsh outdoor exposure, consider stainless steel or higher-grade coatings.


Q: What thread type is used?
A: Coarse thread for easier starts and solid hold in general applications.


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


Clean, Modern Hardware That Holds It All Together

A crisp zinc finish brings a polished touch to utilitarian fastening, creating a seamless, modern detail in cabinetry, shelving, and workshop builds. The confident hex head is a quiet statement—precise, strong, and elegantly simple. Pair with matching zinc washers for a cohesive, luminous hardware story. Consider these your go-to bolts for refined, resilient construction—everyday luxury in the details.


Secure your projects with dependable, corrosion-resistant hex bolts—add this 100-pack to your toolkit today.

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