Full Nut
Hexagon
Imperial BSW
High Tensile SAE 5
Dia: 5/16'
TPI: 18
Wrench Size Across Flats: 1/2'
A BSW SAE Grade 5 hex nut refers to a high-tensile imperial fastener that combines the British Standard Whitworth (BSW) thread form with the SAE Grade 5 strength classification.
