Metric Nut Standards

This SAE Aerospace Standard (AS) covers open box end flare nut wrenches. These wrenches are designed for nondistorting usage by transmitting torque to tube fittings without bearing on the apex of the fitting wrenching surfaces.

This Standard is intended to cover the general and dimensional requirements for the commonly used metric nut drivers with an integral socket and shaft that utilizes a screwdriver-type hand grip. Inclusion of dimensional data in this Standard is not intended to imply that all of the...

This SAE Metric Aerospace Standard (MA) covers metric double end flare nut wrenches that are designed with the following requirements: a Non-distorting usage. b Possessing the strength, clearances, and internal wrenching design to be used on hydraulic tube fittings that conform...