Specifications include, but are not limited to: 1 The vendor must maintain, at all times, a storefront location within a 25-mile radius of the City of Huntsville's Water Pollution Control Administration Building located at 1800 Vermont Road, Huntsville, AL 35802. 2 Bid items must comply with ASTM A325. 3 Bid items shall be heat treated, oil or water quenched and tempered at a minimum tempering temperature of 800 degrees Fahrenheit. 4 Bid items material shall be carbon steel. 5 Rockwell hardness of C25-C34 for all diameters ¼ inch through 1-inch is required. 6 Proof load of a minimum 85,000 psi for all diameters ¼ inch through 1-inch is required. 7 Yield strength of a minimum 92,000 psi for all diameters ¼ inch through 1-inch is required. 8 Tensile strength of a minimum 120,000 psi for all diameters ¼ inch through 1-inch is required. 9 Standard manufacturer head marking on the top of all cap screws ¼ inch diameter and larger is required.