1.1 This specification covers steel track spikes used as fastenings between railroad rails, tie plates, and ties.

1.2 Three grades of spikes are described, Grades 1, a lower carbon steel; Grade 2, a higher carbon steel; and Grade 3, a carbon structural steel, conforming to Specification A36/A36M.

1.3 Supplementary Requirement (S1) are provided for use and shall only apply when specified in the purchase order.

1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.