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Most screws are made from 4140 steel and then
flame hardened and chrome plated. They can also be
carburized and nitrided, and a hard surface obtained
by spraying on a layer of metal. Worn screws can
be rebuilt several times, providing that there is not
excessive wear.
Screws
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The heating cylinders of injection molding machines have
their internal bore finished by either nitriding or adding
another metallic liner. Cylinders for nitriding are made of
a special steel with a high aluminum content and
chromium and molybdenum.
BARRELS
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The key of the injection – We provide lots of materials for
all kinds of design. Both for ODM or OEM are available for you.
Non-Return Valves plays a very important role for your molding
process and Tan Star are always dedicate to research and
develop for new solution to all coming challenges around the world.
SCREWS TIPS SETS