1/4-28NF Grade 5 Hex Cap Screw, Black Oxide

Grade 5 hex cap screws (high tensile) are suitable for fastening most machinery and equipment. Grade 5 hex cap screws are marked with three radial lines with the manufacturer's ID. The black oxide finish provides mild corrosion resistance suitable for use in dry environments. Length is measured from under the head.

Standard	ASME B18.2.1
Width Across Flats (A/f)	7/16"
Head Height Max	5/32"
Material	Alloy Steel
Grade	Grade 5
Finish	Black Oxide (BLO)
Drive	Hex
Diameter	1/4"
Thread Count	28 Theads per Inch (Fine)
Thread Direction	Right Hand

 

Actual measurements may vary slightly +/- depending on production run within IFI Tolerances.