Hard abrasive rocks such as: sandstones with quartz
binder, hard sandstones interpersed with chert, hard quartz
shales,
pyrite ore, magnetite ore, chromium ore, phosphorite ore,
granites,
magma and metamorphic rocks.
Short teeth with great
top angle, closely spaced. The teeth of outer rows have
increased gage surface and are additionally reinforced
with tungsten carbide inserts to ensure durability and
sufficient gage protection.
