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
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.
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