ASTM International - ASTM A66-87(1995)
Standard Specification for Steel Screw Spikes
|Publication Date:||10 April 2001|
|ICS Code (Bolts, screws, studs):||21.060.10|
1.1 This specification covers steel screw spikes used as fastenings between railroad rails, tie plates, and ties.
1.2 Supplementary Requirement S1 Specifying Copper Content is provided. It shall apply only when specified by the purchaser.
1.3 The values stated in inch-pound units are to be regarded as the standard.