Lappkabel skindicht sm m brass locknut lappkabel 52103030 this lappkabel skindichtreg sm m brass locknut is used when a cable gland has to be placed in a thin walled housing that allows only holes without a thread the hexagonal locknut has a metric thread according to en 50262 lappkabel 52103030 skindicht sm m25 x 15 brass locknut