公开(公告)号：DE69304631T2

公开(公告)日：1997-02-13

申请号：DE69304631

申请日：1993-02-03

Applicant: EMHART INC

Inventor： WILLIAMS JOHN ,  PIACENTI FRANK ,  SUBLETT WILLIAM ,  BROWN ROBERT

IPC: F16B25/10 ,  F16B25/00

Abstract: A self drilling screw for thin metal applications. The screw has a small point for drilling a hole in the thin metal and a substantially larger diameter non-tapered threaded section. Between these portions is an extended length taper having a plurality of thread pitches each including swaging lobes.

公开(公告)号：DE69304631D1

公开(公告)日：1996-10-17

申请号：DE69304631

申请日：1993-02-03

Applicant: EMHART INC

Inventor： WILLIAMS JOHN ,  PIACENTI FRANK ,  SUBLETT WILLIAM ,  BROWN ROBERT

IPC: F16B25/10 ,  F16B25/00

Abstract: A self drilling screw for thin metal applications. The screw has a small point for drilling a hole in the thin metal and a substantially larger diameter non-tapered threaded section. Between these portions is an extended length taper having a plurality of thread pitches each including swaging lobes.