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SAE AIR1936 Rev A

Current Revision

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

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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.

SDO SAE: SAE International
Document Number AIR1936
Publication Date March 1, 1997
Language en - English
Page Count 16
Revision Level A
Supercedes
Committee
Publish Date Document Id Type View
March 1, 1997 AIR1936A Revision
March 1, 1985 AIR1936 Revision