Hillman 3/4 in. D x 6 in. L Heat Treated Zinc Steel Hex Head Cap Screw, 20-Pack is built for projects that demand durability, precise fit, and reliable performance. This hex head cap screw blends robust steel with a finish designed to withstand the elements and heavy use.
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Size and engagement: 3/4" hex head diameter with a 6" length; coarse-threaded for rapid, secure bite into wood and light metals.
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Material and finish: heat-treated zinc-coated steel for enhanced hardness, strength, and corrosion resistance in a variety of environments.
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Strength class: Grade 5 screw, delivering dependable load-bearing performance for everyday fastening tasks.
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Packaging: 20 screws per boxed set, providing a convenient, ready-to-use supply for ongoing projects.
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Drive type: hex head designed for high torque with standard wrenches or sockets, reducing cam-out and driver effort.
Ideal uses and scenarios
Perfect for decking and framing projects, heavy-duty furniture assembly, mounting brackets, and through-bolting thick materials where a strong, long fastener is essential. The 6" length is especially suitable for joining multiple layers of wood or for securing objects to thicker substrates, while the hex drive ensures quick, consistent installation even in challenging spaces.
Why this screw stands out
Compared with lighter or non-heat-treated options, this Hillman cap screw offers improved hardness and resistance to wear under repeated driving. The zinc coating provides corrosion protection in indoor and outdoor settings, making it a reliable choice for garage, workshop, patio, shed, and exterior projects where humidity or moisture is a factor.
Practical tips for best results
- Pre-drill pilot holes in hardwoods to prevent splitting; for softer materials, a pilot helps maintain alignment and bite.
- Use a torque-limited driver or hand-tighten to avoid overdriving and thread damage.
- Store in a dry place to preserve the coating and prolong readiness for future projects.
Quality and consistency you can count on
With the Hillman name, you get consistent head size, thread pitch, and finish across every screw in the 20-pack, ensuring repeatable results from one project to the next without surprises.
