11 January 2007
CPR to Phase in Lewis Bolt & Nut Fastener as
Screw Spike of Choice
Canadian Pacific Railway recently announced plans to adopt Lewis
Bolt & Nut Co.'s Evergrip™ double-head spike as a replacement for conventional screw spikes.
The railroad soon will begin phasing in Evergrips - which are installed with an automatic spiker instead of a lag machine - on curves
and turnouts. The fastener offers improved gauge holding in curve applications and can be installed up to
two-and-one-half times faster than a conventional lagging machine, according to Lewis Bolt & Nut.
In 2005, CPR field tested Evergrips on a line west of Calgary, Alberta. The Class I also previously tested the fastener in its own lab
and at the Bodycote™ Lab in Montreal.
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