| 摘要 |
A flange headed screw. The flanged headed screw has a threaded shank portion with a shank diameter, a distal tip, and a proximal end. A stop flange with a diameter that is larger than the shank diameter of the threaded shank located at the proximal end of the threaded shank portion. A projection portion extends from the stop flange, and the projection portion has a diameter smaller than the diameter of the stop flange. A driving head with a driving engagement located at a proximal end of the projection portion.
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