Lappkabel skintop bs m screwed cable gland with bend protection spiral lappkabel 53111720 this lappkabel skintopreg bs m screwed cable gland has a bend protection spiral the cable gland can used on electrical appliances and machinery which are moved under normal use keeping the cable protected against excessive bending as required in accordance with vde 0730applications include moving machine parts apparatus engineering light and sound applications and the robotics industrylock nut