Fasteners Explained: Nails, Screws, and Bolts for Construction & DIY #315633 (License: Personal Use)

This grayscale line-art image depicts a nail with a flat head and smooth shank, a threaded screw with a pointed tip, and a hex-head bolt paired with a matching nut. The arrangement highlights their structural differences and typical applications in assembly and joining materials.

Used on hardware retailer sites, DIY tutorial pages, engineering education resources, or construction guides to visually introduce fastener types and support product selection or instructional content.