Serrated washers - Import export

Slot key, grub screw and serrated washer, steel. Nut and washer, brass. Version Slot key, grub screw and serrated washer, electro zincplated. Note For protecting installations and persons. Connectors for earthing aluminium profile structures and interconnecting the aluminium profiles by integrating them into the protective earth (PE) system. Conductive contact is established through defined destruction of the oxide layer in the slot base and on the slot flanks. The cable lug must be positioned between the serrated washer and the washer during assembly.

The effective protection against self loosening and unscrewing. The "SK" Serrated Locking Washer prevents self-loosening of screwed joints. Damage to the bearing surfaces and consequent variations in the tightening torques, as they occur in threadlockers with teeth are avoided with lock washers through the special geometrical shape of the locking edges. shape S (small) shape M (middle) shape B (wide) shape Z (for screws with cylindrical head shape) shape K (for electrical contacts)

Serrated safety washers is available in two different styles: S type per Light Load : suitable for normal duty, available for screw sizes :M1.6 to M36. VS type per reinforced Load : thicker , achieves higher pretension loads, available for screw sizes:M5 to M36. Material available: carbon steel , and stainless steel SUS304 and SUS316.Surface treatment : zinc coat, Dacromet,Pssivation.  

NFE25511 French Serrated spring washers are a single-sided toothed and non-slip locking washer . Widely used in locomotives , appliances, elevators , electrical towers,medical machinery and equipments. Material available :carbon steel , and stainless steel SUS304 and SUS316.Surface treatment : zinc coat, Dacromt, Pssivation.