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Screw Spike

A rail screw spike, also called sleeper screw, rail screw or lag bolt, is a medium or large metal screw used to fasten a rail base plate or rail. Such spikes are always fastened into holes bored into the tie sleeper, sometimes together with imbedded plastic dowels, popularly used for rails with wooden sleepers, especially in America and Canada.
drawing for screw spikevarious of screw spikes

Production Process to the screw spikes:

For types of sleeper screws, Ss series are the top hot sales, with various sizes available. In addition, square head screw spike, hexagon screw spike, double head screw spike, dog screw, timber screw, and others.

SS25, SS35, SS36  Sleeper screw

SS35 sleeper spike

AS screw spike

AS screw spikes

24×185mm alloy steel screw spike

alloy steel screw spikes

Tr thread screw

Tr thread screw spike

Timber screw

timber screw spike

Chex screw spike

chex screw spike Any other type can be customized according to customers’ drawings and grade.
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Specific quality control rules and manuals are available, each steps take quality assurance measure.
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