Special washers - Import export

The effective protection against self loosening and unscrewing. The "NSK" LOCK WASHER is the improved design of the "SK" LOCK WASHER. It also prevents self-loosening of screwed joints and 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 even better than the proven "SK" LOCK WASHER.

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)