When you need a bolt you can trust under demanding conditions, the Hillman 7/16 in. D x 4 in. L Heat Treated Steel Hex Head Cap Screw delivers the reliability you require. Built for tough assemblies, this Grade 8 fastener combines strength, precision, and practical design in every screw.
What makes it stand out
-
Heat-treated steel for added hardness and durable load-bearing performance in demanding applications.
-
7/16 in. diameter and 4 in. length provide a robust fastening option for heavy-duty frames, supports, and brackets.
-
Grade 8 construction signals high tensile strength, helping resist loosening and shear under stress when properly torqued.
-
Coarse thread offers quick alignment and strong bite in softer materials or through metals, making installation faster and more forgiving in many projects.
-
Hex head design enables straightforward driving with standard wrenches or sockets, even in tight spaces.
-
25-piece box ensures you have a ready supply for ongoing projects, repairs, or stocking up your workshop.
Ideal uses
Designed for heavy-duty mounting and structural connections, these hex head cap screws are well-suited for:
- Machinery and equipment assemblies
- Metal-to-metal brackets, frames, and supports
- Industrial shelving, workbenches, and storage systems
- Automotive repairs and aftermarket installations
- Home projects requiring secure, long-lasting fasteners
How to get the best results
- Pair with compatible nuts and washers to distribute load and prevent pull-through.
- Use the correct torque for the material you’re fastening to avoid over-stressing threads or damaging components.
- If high vibration is a concern, consider a thread locker or periodic re-torque to maintain a secure connection.
Specifications at a glance
- Diameter: 7/16 in
- Length: 4 in
- Head type: Hex head cap screw
- Material: Steel
- Finish: Heat treated
- Grade: 8
- Thread type: Coarse
- Package quantity: 25 pieces
- Packaging: Boxed
Built to perform and packaged for practical use, the Hillman 7/16 in. D x 4 in. L Heat Treated Steel Hex Head Cap Screw is an essential heavy-duty fastener for professional shops and serious DIYers alike. Stock up with this 25-piece box and tackle your most demanding fastening projects with confidence.
