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BSI 21/30421021 DC:2021 Edition

$13.70

BS ISO 4579. Aerospace. Drives, internal, TORX PARALOBE drive. Geometrical definition, gaging and technical requirements

Published By Publication Date Number of Pages
BSI 2021 15
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This international standard specifies basic dimensions, characteristics and engineering requirements for TORX® PARALOBE® recesses in aerospace fasteners.

BSI 21/30421021 DC
$13.70