Grade 4 Grade 8 metal hexagon flange nut

Hex Flange Nuts: with washer, tooth nuts, hex flange nut, flange nut;

Usage/Function: Used in pipe connection, or to enlarge the contact with components;

Material:  A3 low carbon steel, 35K steel, # 45 steel, 40Cr steel, 35CrMoA;

Grade: Grdae 4,5,6,8,10,12;

Treatment: Color zinc plated, white zinc plated;

The thread & dimension of the flange nnuts and common hex nut is the same, the difference is the washer and nut is combined together, with anti-slippery thread, to enlarge the contact with the components, more solid and strength compared with seperated nut and washer combination.

Since most flange nut used in pipes and flanges , therefore, the common flange nut comes in size under M20. Upper M20 flange nuts mostly are flat flange, that is no tooth on flange , those nuts used mostly in special equipment or area, and no available stock. We XinTai Auto parts have available stock all the time