Full Nut
Hexagon
Imperial BSF
High Tensile SAE 5
Dia: 3/8'
TPI: 20
Wrench Size Across Flats: 9/16'
A BSF SAE Grade 5 hex nut is a specialized high-tensile fastener that applies the strength standards of the Society of Automotive Engineers (SAE) to the British Standard Fine (BSF) thread form.
