Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 27, 2018
Patent Application Number
15001625
Date Filed
January 20, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
The bolt of the present invention can reliably peel coating even when fastened with a low torque, and can secure sufficient conductivity. A coating peeling part for peeling coating is formed at a tip end of an axis part in which a regular screw part is formed. The coating peeling part includes crushing parts having a trapezoidal top part and having a flank which is projected at a different angle with respect to the flank of the regular screw part; and a protruding part which is arranged adjacent to the crushing parts and whose top part projects beyond the outer diameter of the regular screw part.
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