These are USA made, DFARS compliant truss head screws. They are made from 302HQ stainless steel, and are black oxide coated with a Phillips drive. These screws are commonly used for custom holster and sheath mounts. They are heavy duty, professional grade, and are hard to find!.
Head Type = Truss Head
Length = .1875 (3/16") (from under head)
Head Diameter = .375 (+/- .004)
Black Oxide Coated
MADE IN THE USA
302 HQ Stainless DFARS compliant
(1) QTY = (1) Screw