Inventors:
Gus G. Avgoustis - Westland MI
Assignee:
Ring Screw Works - Madison Heights MI
International Classification:
B21K 156
Abstract:
A threaded fastener has an eccentric tip with a smooth portion, a threaded portion and a cleaning recess formed into the threaded portion of the tip. The recess and tip are formed in the heading operation prior to rolling the threads onto the shank which provides better thread quality.