Bolt 1/2 x 3.1/2 UNC Black SAE 5
Bolt
Hexagon Head
Imperial UNC
Black
High Tensile SAE 5
Dia: 1/2'
TPI: 13
Length: 3.1/2'
Wrench Size Across Flats: 3/4'
A UNC (Unified Coarse) SAE 5 bolt is an imperial, partially threaded fastener with an external hex head that adheres to the material properties of the SAE J429 Grade 5 standard. This grade classifies it as a medium-strength, high-tensile screw suitable for demanding industrial applications.