CA928543A - Self-drilling and thread-forming screw - Google Patents

Self-drilling and thread-forming screw

Info

Publication number
CA928543A
CA928543A CA099210A CA99210A CA928543A CA 928543 A CA928543 A CA 928543A CA 099210 A CA099210 A CA 099210A CA 99210 A CA99210 A CA 99210A CA 928543 A CA928543 A CA 928543A
Authority
CA
Canada
Prior art keywords
drilling
thread
self
forming screw
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA099210A
Other versions
CA99210S (en
Inventor
D. Ringland Kenneth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CENTRAL SCREW CO
Original Assignee
CENTRAL SCREW CO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CENTRAL SCREW CO filed Critical CENTRAL SCREW CO
Application granted granted Critical
Publication of CA928543A publication Critical patent/CA928543A/en
Expired legal-status Critical Current

Links

CA099210A 1969-12-05 1970-11-26 Self-drilling and thread-forming screw Expired CA928543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88263469A 1969-12-05 1969-12-05

Publications (1)

Publication Number Publication Date
CA928543A true CA928543A (en) 1973-06-19

Family

ID=25381009

Family Applications (1)

Application Number Title Priority Date Filing Date
CA099210A Expired CA928543A (en) 1969-12-05 1970-11-26 Self-drilling and thread-forming screw

Country Status (1)

Country Link
CA (1) CA928543A (en)

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