This Standard specifies requirements for steel screw spikes and threaded inserts for use as part of a fastening system that holds rail to sleepers or slabs for railway permanent way. A preferred shape is specified and information given on optional shapes.

This Standard covers screw spikes used in the following applications:

(a) Screwed into a threaded insert that is cast into concrete.

(b) Screwed into a pre-drilled hole in timber.

This Standard does not cover the use of screw spikes as dog spikes to directly secure the rail.

NOTES:

1 Guidance on information that should be supplied by the purchaser and manufacturer is given in Appendix A.

2 Guidance on means for demonstrating compliance with this Standard is given in Appendix B.