AS 3526-1988

1 - AS 3526-1988 HEXAGON WRENCH KEYS AND WRENCH BITS FOR HIGH-STRENGTH FASTENERS
4 - PREFACE
4 - CONTENTS
5 - 1 SCOPE.
5 - 2 REFERENCED DOCUMENTS.
5 - 3 DEFINITIONS.
5 - 3.1 Wrench key
5 - 3.2 Wrench bi t
5 - 4 SHAPE, DIMENSIONS, AND FINISH.
5 - 4.1 General.
5 - 4.2 Angle of bend.
5 - 4.3 Ends.
5 - 4.4 Corners.
5 - 4.5 Fi ni sh.
5 - 5 MATERIALS AND HEAT TREATMENT.
5 - 5.1 Materials.
5 - 5.2 Heat treatment.
5 - 5.3 Decarburization.
5 - 6 MECHANICAL PROPERTIES.
5 - 6.1 Hardness.
5 - 6.2 Torque.
5 - 6.3 Resistance to shearing.
5 - 6.3.1 Application.
8 - 6.3.2 Requirements.
8 - 6.4 Adaptor for testing.
8 - 7 MARKING.
8 - 7.1 Information to be marked on the tool.
8 - 7.2 Positions of marking on the tool.
8 - 7.3 Marking on the package.
9 - APPENDIX A - INFORMATION TO BE SUPPLIED AT TIME OF ENQUIRY OR ORDER
9 - APPENDIX B - APPLICABILITY OF HEXAGON WRENCH KEYS AND WRENCH BITS

Specifies requirements for the dimensions, tolerances, and mechanical properties of metric hexagon wrench keys with nominal sizes of 0.7 mm to 19 mm (inclusive) across flats and of metric hexagon wrench bits with nominal sizes of 0.7 sizes to 32 mm (inclusive) across flats.

This Standard specifies requirements for the dimensions, tolerances, and mechanical properties of metric hexagon wrench keys with nominal sizes of 0.7 mm to 19 mm (inclusive) across flats and of metric hexagon wrench bits with nominal sizes of 0.7 mm to 32 mm (inclusive) across flats.NOTES:1. Information to be supplied at time of enquiry or order is given in Appendix A.2. The applicability of the hexagon wrench keys and bits is given in Appendix B.