HOLLOW NAIL AND ITS MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To increase strength against bending stress, to easily drive the hollow nail into a plate material or the like without bending for the plate material, and straightly and safely drive the nail into the plate material when a continuous nail driving machine using compressed air is employed. SOLUTION: This hollow nail comprises a substantially bottomed cylindrical nail body 8 that has an axial hollow part 12 in it, a pointed head part 9 formed at the tip of the nail body 8, and a head part 10 formed at the rear end of the nail body 8 that has an opening 13 in its center.