PREN 3709 : 200P2

1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 Materials
  4.2 Physical properties
      4.2.1 Surface condition and appearance
      4.2.2 Surface coating
      4.2.3 Inner profile of teeth
  4.3 Mechanical properties
  4.4 Dimensions and geometric tolerances
5 Test methods
  5.1 Test equipment
  5.2 Test of wrenches
  5.3 Test of socket
  5.4 Test performance
6 Qualification and acceptance requirements
  6.1 Qualification
      6.1.1 Purpose
      6.1.2 Qualification procedure
      6.1.3 Conditions
  6.2 Acceptance
7 Marking, labelling and packaging
  7.1 Marking
  7.2 Packaging

Gives the requirements to be compiled with by wrenches and double-hex sockets intended for aerospace products.