This specification deals with steel screw spikes used as fastenings between railroad rails, tie plates, and ties. The steel shall be made by electric-furnace or basic-oxygen, may be cast by continuous process or in ingots, and the heads and threads of the spikes may be formed by hot- or cold-forming methods. Tension and bend tests of the material shall be made. Inspection, certification, and product marking are also covered.
| ASTM International | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ASTM A66-21 |
| Product Name | Standard Specification for Steel Screw Spikes |
