Hard-to-Find Fastener 014973244019 Full Thread Hex Tap Bolts, 5/16-18 x 1-1/4, Piece-100 Diameter: 5/16-Inch Length: 1-1/4-Inch Material: Steel Finish: Zinc Head Style: Hex (1/2 Wrench) Diameter: 5/16" Length: 1-1/4 inch Material: Steel Finish: Zinc Head Style: Hex (1/2 Wrench)