Self-Locking Services

Nylok® Blue Nylon Pellet is a self-locking element comprised of nylon embedded into the threads of a fastener. The pellet is a drilled hole with a plug of nylon wedged into the hole. When the pellet is engaged it creates a wedge between the fastener and mating part compressing the nylon and creating metal to metal contact opposite the element. This metal to metal contact results in a positive resistance to vibration and loosening.