Hillman 3/4 in. D x 4 in. L Heat Treated Steel Hex Head Cap Screw (20 pk) delivers rugged, dependable fastening for heavy-duty projects. Built from heat-treated steel and finished to endure demanding environments, this Grade 8 hex head cap screw is designed to hold up under real-world loads where strength matters most. - Heat treated steel with Grade 8 construction for high tensile strength and long-lasting performance in structural or mechanical assemblies.
- Hex head with a 3/4 in. head diameter, paired with a precise 4 in. length for secure, substantial fastening in thick materials.
- Coarse thread design for quick seating and strong bite in through-holes or threaded inserts, speeding up assembly on messy or obstructed job sites.
- Boxed packaging includes 20 fasteners per package, giving you a ready-to-use supply for ongoing projects or multi-step builds.
- Material: steel; Finish: heat treated, built to resist wear, deformation, and corrosion in common workshop and industrial settings.
- Designed for use with matching nuts or through-holes, making it versatile for metal-to-metal, wood-to-metal, or equipment mounting applications. Ideal for: heavy-duty mounting, equipment installation, fabrications, trailer and vehicle repairs, and any project requiring a robust, long‑lasting bolt that maintains torque under load. This is a reliable choice when you need a strong, consistent fastener that you can trust project after project. Why choose Hillman: a time-tested name in hardware fasteners, offering consistency, traceable quality, and compatibility with standard tools and hardware ecosystems. This 20-pack ensures you’re stocked for extended work without constant reordering. Product Details
- Head Diameter: 3/4 in.
- Length: 4 in.
- Material: Steel
- Finish: Heat Treated
- Grade: 8
- Thread Type: Coarse
- Package Size: 20 per box
- Packaging Type: Boxed
- Product Type: Hex Head Cap Screw Use cases and practical tips
- Start with a clean, aligned hole or nut, then drive with a standard hex wrench or socket to achieve the correct torque without Strip-out.
- For wood-to-metal assemblies, the coarse thread helps establish a firm grip quickly, reducing the need for pre-tapping in many projects.
- When replacing worn fasteners, ensure the new screw’s diameter and length match the original specifications to preserve structural integrity.
- Store in the included boxed packaging to keep the 20-pack organized and ready for the next project.
