Nyloc Nut
Hexagon
Imperial BSF
Zinc Plated
High Tensile Grade 6
Dia: 3/8'
TPI: 20
Wrench Size Across Flats: 9/16'
A BSF 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.
