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

Durable zinc-plated steel hex bolts for wood-to-wood, wood-to-metal, and metal-to-metal fastening. The 3/8 in. diameter by 3-1/2 in. length design offers dependable clamp force and corrosion resistance for general-purpose projects.

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Key Features:

• Corrosion-Resistant Finish: Zinc plating protects against rust for everyday indoor/outdoor use
• General-Purpose Strength: Grade 2 steel suitable for a wide range of fastening applications
• Reliable Threading: Coarse thread provides strong grip and easier starts
• Versatile Use: Ideal for wood, metal, and mixed-material assemblies
• Contractor Pack: 50-piece box for efficient stocking and jobsite readiness

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Specifications Table:

Specification	Details
Diameter	3/8 in
Length	3-1/2 in
Material	Steel
Finish	Zinc Plated
Grade	Grade 2
Thread Type	Coarse
Head Style	Hex
Package Quantity	50 pack
Packaging Type	Boxed
Each Weight	5.900 lb (package)

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Frequently Asked Questions (FAQ):

Q: What size are these bolts?
A: They are 3/8 inch diameter by 3-1/2 inch length, coarse-thread hex bolts.

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Q: What material and grade are they?
A: They are Grade 2 steel with a zinc-plated finish for corrosion resistance.

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Q: Are nuts and washers included?
A: No. Use matching grade and finish nuts and washers (sold separately).

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Q: Can these be used outdoors?
A: The zinc plating offers basic corrosion resistance suitable for typical outdoor use; for harsh or marine environments, consider stainless or hot-dip galvanized.

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

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Sleek Utility With Polished Restraint

A crisp zinc sheen brings a refined industrial note to cabinetry, built-ins, and exposed hardware moments. The hex head’s clean geometry feels intentional—like a subtle piece of jewelry for your joinery. Pair with brushed steel brackets or matte-black accents for a tailored contrast. It’s the quiet detail that elevates everyday construction into considered design.

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Equip your project with these zinc-plated hex bolts for reliable hold and clean, polished hardware that lasts.