Hard-to-Find Fastener 014973253813 Grade 8 Fine Hex Cap Screws, 1/2-20 x 1-3/4, Piece-25 Diameter: 1/2-Inch Length: 1-3/4-Inch Material: Steel Finish: Yellow Zinc Head Style: Hex (3/4 Wrench) Diameter: 1/2" Length: 1-3/4 inch Material: Steel Finish: Yellow Zinc Head Style: Hex (3/4 Wrench)