When you need a trusted fastener that combines strength, reliability, and ease of use, the Hillman 5/8 in. D x 1 in. L Heat Treated Zinc Steel Hex Head Cap Screw is ready to deliver. This 25-pack boxed set is ideal for quick replacements and bulk projects, keeping your work on schedule.
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Size and finish: 5/8 in. hex head diameter, 1 in. length
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Material and treatment: Steel with a heat‑treated zinc finish for enhanced hardness and durability
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Grade and thread: Grade 5, coarse thread for fast driving and solid engagement
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Head type: Hex head designed for common wrenches and socket drivers
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Packaging: Boxed, 25-piece set for organized, ready-to-use fasteners
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Standards: SAE unit system
Why this hex head cap screw stands out
Lane-ready strength with practical versatility, this Hillman screw is built for tough, high-torque applications. The heat-treated steel increases torsional strength, so you can tighten firmly without deformation. The zinc coating adds corrosion resistance, making it suitable for a wide range of indoor projects and light outdoor use where moisture exposure is limited. Grade 5 indicates reliable load-bearing performance for everyday structural tasks, from furniture assembly to machinery mounting.
Ideal use cases
- Woodworking and cabinetry where a secure, flush-fastener is required
- Framing, brackets, and hardware mounting in craft or small shop projects
- Metal-to-metal or metal-to-wood assemblies that demand a dependable grip
- Automotive brackets, equipment mounts, and other general purpose assemblies
Practical tips for best results
- Match with a compatible hex driver or socket to ensure full engagement and minimize cam-out
- Use in conjunction with the appropriate nut or tapped hole to secure joints effectively
- Store in the included box for easy inventory management and quick project access
