Nyloc Nut 1/4 x 20 BSW Zinc Plated Gr.6 DIN 985
Nyloc Nut
Hexagon
Imperial BSW
Zinc Plated
High Tensile Grade 6
Dia: 1/4'
TPI: 20
Wrench Size Across Flats: 7/16'
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.