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Brass Square Nuts DIN 557
    Brass Nuts

Brass Square Nuts DIN 557 Brass Square Nut

Brass Square Nuts DIN 557, Brass Nuts

A square nut is a four-sided nut. Compared to standard hex nuts, DIN 557 square nuts  and Brass square nuts have a greater surface in contact with the part being fastened, and therefore provide greater resistance to loosening (though also greater resistance to tightening). They are also much less likely to become rounded-off after repeated loosening/tightening cycles.

d1 s e m
M5 8 11.3 4
M6 10 14.1 5
M8 13 18.4 6.5
M10 16 22.6 8
M12 18 25.4 10
M16 24 33.9 13
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