Hex flange nuts, ISO 4161

Hexagon flange nut with an integrated flange. The flange acts as a built-in washer that distributes the load over a larger surface area. Flange nuts are also available with a serrated (toothed) flange to provide locking against the surface.

 

dM5M6M8M10M12M16M20
d211.814.217.921.82634.542.8
s8101315182430
h4.36810121620