Raw Material: Hardened high-carbon steel, various shank types (smooth, fluted, spiral)

Length & Diameter Examples:

Twilled-shank concrete nails: 1″ (25mm) x 2.9mm up to 6″ (150mm) x 5.5mm

Other sizes: e.g., 4.2×75mm, 5×125mm, etc.

Finish: Some are galvanized; others are black-hardened

Packing: From small packets (1 kg) up to 25 kg cartons