Nyloc Nut 5/16 x 18 BSW Zinc Plated Gr.6 DIN 985
Nyloc Nut
Hexagon
Imperial BSW
Zinc Plated
High Tensile Grade 6
Dia: 5/16'
TPI: 18
Wrench Size Across Flats: 1/2'
A BSW Nyloc nut (or nylon insert lock nut) is a specialized hexagonal fastener featuring an integrated non-metallic collar—typically polyamide (nylon)—that acts as a self-locking mechanism.