Full Nut
Hexagon
Imperial UNF
Zinc Plated
High Tensile SAE 5
Dia: 3/8'
TPI: 20
Wrench Size Across Flats: 9/16''
A UNF SAE Grade 5 hex nut is a medium-strength, high-tensile imperial fastener designed for use with coarse-thread bolts. It is widely used in automotive, mechanical, and industrial applications where reliable fastening is required for medium-stress loads.
