Set of 100 hexagonal nuts with M6 notched collar. A safe and efficient piece of bolt and rod assembly that you can easily tighten or loosen with a socket wrench, open-end wrench or adjustable wrench. The notched collar is designed to prevent possible loosening of the screw - in other words it is a blocking system. Undoubtedly a widely used part and preferred by installers for fastening tasks - means of transport, agricultural machinery Dimensions: Nut size: for M6 bolt. Total nut height: 6mm. Nut height: 4mm. External nut width: 10mm. Outside diameter of the flange: 13mm. Unit weight: 2.956g. DIN 6923. Material: carbon steel. Cover: zinc plated. Color: silver Thanks to its hexagonal shape you would have a perfect key grip to obtain the desired result. It is an essential fixing device that you need to carry out your professional activities, to create an optimal and reliable assembly. The 6-point self-locking safety nut remains the ideal solution for confined spaces and for assembling different long-term elements - machine construction, mechanics, household appliances, interior and exterior design The advantage: the nut with a toothed base serves to prevent loosening of bolts and rods caused by vibrations - frequently present in the repair and maintenance workshop. Self-locking nuts are for use on bolts and threaded rods. Lightweight and sturdy for quick and easy assembly. By completing your toolbox, you would professionally respond to the requirements of potential customers. Namely: this splined flange nut consists of a hexagonal head with a notched collar. Note: whatever type of maintenance you choose, always remember to have adequate devices. Corrosion resistant/won't rust/. The self-locking safety nut with metric thread inside will be your first assistant for you to carry out the durable and dismountable assembly.