4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Having separate expander means
  6. Bulged by axially contracting ends

Helmo Daler

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Metal dowel for anchorage in thin wall panels

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – With hole forming means
Patent

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Self-locking sheet-metal nut

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Nut – and means to engage substructure on its opposite faces...
Patent

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Sheet metal anchor

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Bulged by axially contracting ends
Patent

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Profile ID: LFUS-PAI-P-179006

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