This part of ISO 1174 specifies the dimensions, separation force and designation of driving squares for hand socket tools. NOTE Driving squares for power socket tools are dealt with in ISO 1174-2.
Monteringsverktyg, SIS/TK 276
Assembly tools for screws and nuts - Driving squares - Part 1: Driving squares for hand socket tools (ISO 1174-1:2011, IDT)
STD-81203
2
2011-08-29
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