GB/T 5357-1998
AbolishedHexagon spline wrenches
内六角花形扳手
Application Summary AI generated
This standard specifies the technical requirements, dimensions, and testing methods for hexagon spline wrenches, which are hand tools used to tighten or loosen fasteners with internal hexagon spline drives. It is applied in the manufacturing and mechanical assembly industries, particularly for automotive, aerospace, and general machinery maintenance where high-torque, slip-resistant engagement is required. The standard ensures interchangeability and quality control for these wrenches in both production and repair contexts.
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