SS8 Nyloc Lock Nuts M16, Nylon Insert, DIN 985 Zinc Plated, Pack of 4 | Self-locking hexagon steel body, resists vibration and dynamic loads, no spring washer needed

Vibration resistant: the nylon insert exerts constant pressure on the bolt thread, so the joint resists loosening even under dynamic loads No extra spring washer or thread-locking compound needed: one nut gives reliable protection against spontaneous loosening Removable when needed: the polyamide (nylon) insert gives a permanent thread lock that still allows disassembly, for fixings that need checking, adjustment or maintenance DIN 985 zinc plated steel: hexagon body to DIN 985 (equivalent to ISO 10511) for general-purpose corrosion resistance, dimensional repeatability and full interchangeability Easy to choose: this listing is M16, pack of 4; ISO metric coarse thread with 2mm pitch and 24mm across flats, so a standard spanner or socket fits with no special tools required Made for machines and vehicles: mechanical engineering and machine construction, industrial installations and production lines, automotive and machinery assembly, chassis, engine and body components, and transport equipment Construction, panels and household jobs: construction and steel structures, electrical enclosures and control panels, household appliances and electronics, HVAC and pipework brackets, racking and shelving, and DIY and furniture assembly