Norman C. Dahl

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Hollow externally threaded fasteners having greatly increased du

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Double-ended
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Method for creating overload protection against yielding in bolt

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Process for creating overload protection against yielding in bol

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Process for the preuse work-hardening of bolts

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Process for the preuse work-hardening of bolts

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Profile ID: LFUS-PAI-P-934350

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