4-40x3/4 Flat Countersunk Head Socket Screw (Qty 5)

Head Style : Flat Countersunk

Material Type : Steel

Finish : Black Oxide

Drive Style : Hex Socket

Inch Thread Size : 4-40

Thread Direction : Right Handed

Tip Type : Plain

Hex Size : 1/16"

Head Diameter : .255" 

Head Height : .083"

Head Angle : 82

Rockwell Hardness : Minimum C39

Minimum Tensile Strength : 174,000 psi

Thread Fit : Class 3A

ASTM Specification : ASTM F835