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Nails 101 - Nail Sizes and Types Around the Home

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Casing / Finish Nails
casing nail - finish nail

Casing and finishing nails differ mostly by the shape of the nail head

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Casing and finishing nails are similar and differ primarily in the shape of the heads. A finishing nail has a small slightly rounded head just a tad bit bigger than the nail shank. The head is designed to fit into a nail set to be countersunk and the nail hole filled.

A casing nail is often used in exterior applications and is often galvanized. The nail head of a casing nail is tapered and may be set flush or just below the wood surface.

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