Hard-to-Find Fastener 014973243838 Full Thread Hex Tap Bolts, 1/4-20 x 1-1/2, Piece-100 Diameter: 1/4-Inch Length: 1-1/2-Inch Material: Steel Finish: Zinc Head Style: Hex (7/16 Wrench) Diameter: 1/4" Length: 1-1/2 inch Material: Steel Finish: Zinc Head Style: Hex (7/16 Wrench)