Locknut SKINDICHT® SM-PE-M 40X1.5 LOCKNUT, locknut, M 40, wrench size: 46mm, nickel-plated brass, Areas of application: Withstands high chemical and mechanical stress,Suitable for outdoor use,For use on the inside of painted, anodized or powder-coated housings,Can be used with metric SKINTOP® and SKINDICHT® cable glands for applications where electromagnetic compatibility (EMC) is required, Benefits: Withstands temperatures up to +200 °C,The contact is achieved when the locknut is tightened by the cutting edges that scratch the coated layer of the housing,Article numbers ending in 'LF' are lead-free product alternatives with otherwise identical product properties. 'Lead-free' articles do not contain lead, which is currently permitted to make up up to four percent in copper alloys, but could be banned in the future according to the RoHS directive,Optimal contacting of a coated Housing for protection against electromagnetic interference and for potential equalization