Hard-to-Find Fastener 014973244279 Full Thread Hex Tap Bolts, 3/8-16 x 2-1/2, Piece-50 Diameter: 3/8-Inch Length: 2-1/2-Inch Material: Steel Finish: Zinc Head Style: Hex (9/16 Wrench) Diameter: 3/8" Length: 2-1/2 Inch Material: Steel Finish: Zinc Head Style: Hex (9/16 Wrench)