E-self driving nut is one of Top Screw’s security sex bolts. It features round body with fangs on it to grip application tightly while screw in from the other side. The screw drive can be security drive to prevent anyone to unlock it. Fast, easy and labour saving. It can be installed with simple tool.
Easy to be installed with a standard screwdriver. One way drive type can be driven in one direction only, the screwdriver will be cam out if used in the opposite direction to remove the fastener. Recommended for permanent installation only.
Material: Steel, Stainless Steel, Aluminum and Brass
A ideal safety device used in vehicles, home or work place to break through window glass in an emergency. This item we design it going to be used in the bus, car, building(especially for office building)..etc.