Hillman Zinc-Plated Steel Hex Bolt, 5/16 in. x 1-1/2 in. (100-Pack)

Durable hex-head bolts made from zinc-plated steel for corrosion resistance and reliable fastening. Ideal for securing materials with a nut or tapped hole in construction, automotive, and general repair projects.

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Key Features:

• Corrosion-Resistant Finish: Zinc plating protects against rust for indoor and sheltered outdoor use
• Strong Steel Construction: Reliable holding power for structural and repair applications
• Standard Hex Head: Compatible with common wrenches for easy tightening
• Partially Threaded Shank: Provides shear strength with threaded grip at the end
• Bulk Value Pack: 100 bolts for jobsite efficiency and replenishment

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Specifications Table:

Specification	Details
Diameter	5/16 in.
Length	1-1/2 in.
Head Type	Hex head
Material	Steel
Finish	Zinc plated
Thread	Partially threaded
Pack Quantity	100 pieces
Model Number	190096
Item Weight	7.8 lb (package)
Package Dimensions	8.6 x 4.3 x 3.5 in.

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Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. These hex bolts are typically partially threaded, providing a solid shank section for added shear strength.

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Q: What size wrench or socket is needed?
A: Use a wrench or socket sized for the corresponding hex head for 5/16 in. diameter hex bolts (standard sizing varies by bolt spec).

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Q: Can these be used outdoors?
A: The zinc plating offers light corrosion resistance suitable for indoor and sheltered outdoor use; for harsh environments, consider stainless or hot-dipped galvanized.

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Q: Do nuts and washers come included?
A: No, this listing is for bolts only. Purchase compatible nuts and washers separately.

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Q: What applications are these suited for?
A: General construction, equipment assembly, automotive repair, and projects requiring a nut or tapped hole.

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A Clean, Industrial Fastener with Polished Restraint

There’s beauty in precision—the crisp hex head and cool zinc sheen lend a refined, utilitarian note to cabinetry, furniture, and open-shelf brackets. The partially threaded shank adds structure while the finish catches light with understated elegance. Try pairing these bolts with blackened steel brackets for a tailored, high-contrast look. A small detail that quietly signals craftsmanship and elevates everyday hardware to luxe living.

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Secure your next project with confidence—add this 100-pack of zinc-plated hex bolts to your cart today.