Nail (fastener)

Nails can be hammered or shot into materials such as wood.

Different types of nails: 1) Roofing nail, 2) Umbrella head roofing nail, 3) Brass escutcheon pin, 4) Finish nail, 5) Concrete nail, 6) Spiral-shank nail, and 7) Ring-shank nail (the barbs are a leftover component of the feed system of a nail gun)

In woodworking and construction, a nail is a pin-shaped object of metal (or wood, called a treenail or "trunnel") which is used as a fastener, as a peg to hang something, or sometimes as a decoration. Generally nails have a sharp point on one end and a flattened head on the other, but headless nails are available. Nails are made in a great variety of forms for specialized purposes. The most common is a wire nail. Other types of nails include pins, tacks, brads, and spikes.

单词	Roofing nail
释义	Roofing nail 英语百科 Nail (fastener) In woodworking and construction, a nail is a pin-shaped object of metal (or wood, called a treenail or "trunnel") which is used as a fastener, as a peg to hang something, or sometimes as a decoration. Generally nails have a sharp point on one end and a flattened head on the other, but headless nails are available. Nails are made in a great variety of forms for specialized purposes. The most common is a wire nail. Other types of nails include pins, tacks, brads, and spikes.
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Roofing nail

Nail (fastener)