Browse Standards AIR1936A
Current REAFFIRMED 2012-11-19

Study of Wrenching Engagement on AS870C Double Hexagon (12 Point) Fasteners AIR1936A

This study addresses the adequacy of sockets, wrenches, and torque adapters conforming to AS954 to wrench 12 point fasteners with wrenching configurations conforming to AS870C. Reported wrenching problems with smaller sizes are investigated through examining the combined tolerances on the fasteners and wrenches, conducting torque testing on typical high strength lock nuts. Possible solutions to correct these wrenching problems are presented.
AIR1936A
2012-11-19
Latest
Reaffirmed
AIR1936
1985-03-01
Historical
Issued

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