Self-tapping fastener

Details Self-tapping fastener Self-tapping fastener

2005-04-05

2005-04-05

Miller, William L. (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Fastener or fastener element composed of plural different...

C411S386000, C411S424000

Reexamination Certificate

active

06874986

ABSTRACT:
A self-tapping screw (1) consists of two interconnected sections (7and8) of stainless material. The first section (7) comprising the tool access (4) and the thread (6) consists of stainless, austenitic steel and the second section (8) configured as a boring part (5) consists of martensitic steel.

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patent: 6464804 (2002-10-01), Goecmen et al.
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patent: 684060 (1939-11-01), None
patent: 19540848 (1997-05-01), None
patent: 19815670 (1998-11-01), None

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