Meet the Hillman 3/8-16 in. D X 4-1/2 in. L Steel Hex Head Cap Screw, a dependable workhorse for heavy-duty fastenings. This 25-pack brings the strength of steel to your hands- on projects, giving you long reach and confident holding power in a boxed, ready-to-go quantity.
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Diameter: 3/8 in
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Length: 4-1/2 in
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Thread: 3/8-16 coarse
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Material: Steel
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Head type: Hex head
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Thread type: Coarse
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Package quantity: 25 pieces
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Packaging: Boxed
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Brand: Hillman
Designed for robust, secure connections, this hex head cap screw is ideal when you need a strong, easily driven fastener that pairs with corresponding nuts or tapped holes. The 4-1/2 inch length provides deep reach for thicker assemblies, brackets, and hardware mounts, while the 3/8 inch diameter delivers substantial clamping force without overwhelming the project.
Where to use it
- Metal framing and bracket installations where a large, reliable fastener is required
- Repair work on machinery mounts, tool benches, and equipment supports
- Wood-to-metal assemblies where a strong through-fastener is needed and a compatible nut or tapped hole is available
- DIY projects and professional renovations that demand a durable, boxed 25-pack for ready-to-go jobs
Why this screw stands out
- Conventional coarse-thread design (3/8-16) offers quick bite and strong engagement, especially when paired with nuts or tapped holes
- Solid steel construction delivers dependable strength for demanding applications
- Long, purposeful length enables deeper reach for substantial assemblies
- Convenient 25-pack in boxed packaging helps you stock up without frequent reordering
Practical tips for best results: dry-fit your assembly to ensure alignment, use washers to distribute load as needed, and tighten gradually while monitoring thread engagement to avoid over-tightening. This Hillman screw is a trusted choice when you need a reliable, heavy-duty fastener that performs consistently project after project.
