Hexagon thin nut MF DIN 936 Steel Plain 17H M20X1.50

This low-profile hex nut is manufactured to DIN 936 specifications and features a fine metric thread. It's made from plain steel—meaning steel without any coating or surface treatment. While the material is strong, it offers little natural resistance to corrosion on its own. The nut falls under hardness class 17H, which requires a minimum hardness of 170 HV. No proof load is specified for this hardness class.