ing, unless cold bending is required to retain the original mechanical properties of the material furnished.
c.Rivet and Bolt Holes Rivet and bolt holes shall be drilled to finished size or subpunched smaller than the nominal diameter of the fastener and reamed to size. The amount by which the diameter of a subpunched hole is smaller than that of the finished hole shall be at least one-quarter the thickness of the piece. The finished diameter of holes shall be not more than 7% greater than the n