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About This Item

 

Full Description

This European Standard specifies dimensions, tolerances, characteristics and qualification requirements for MORTORQ Spiral Drive Recesses1.

Cross References:
ISO 128 (all parts)
ISO 1101


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS EN 4609:2019

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    Aerospace series. Spiral drive recesses for threaded fasteners. Geometrical definition and technical requirements

    • Most Recent
  2. BS 02/708728 DC


    EN 4609. Technical Specification for Internal Drive, Extended Nose, Asymmetric Spiral Recess (Motorq) drie system for rotary fastening devices

    • Historical Version