tungsten carbide particles encased in a mild steel tube.
Tamcoloy tube-metal provides excellent traction and extends the life of the shoe.
The most common sizes are
coarse (3/8" tube)
medium (5/16" tube)
fine (1/4" tube), and
very fine (1/8" tube).
The most prevalent size on the race track is the 1/8" Tamcoloy tube metal
while off the track the 1/4" Tamcoloy tube metal is preferred.
Tamcoloy tube metal is applied
with an oxygen and acetylene torch or an acceptable equivalent gas.
This particular material may also be used on
farm and ranch implements such as plows, disc, and cutters.
