45# Steel or Aluminium Material ,Nylon bar,plastic and other
material Note when checking form and order pulley: 1. Belt and
pulley of our company can be attachment or replacement of imported
belt and pulley. 2. Please supply drawing when you order. We can
also draw for clients as their supplied specification, hole, key
way and width. 3. The tolerance of outside diameter, end bounce 7
wrap direction of pulley should conform to Form1,form 2 &
form3. 4. Width of different specification of timing belt and
pulley must conform to form4. 5. Outside diameter of pulleys and
size should be as form's regulation. 6. We can also produce pulleys
even sizes are not in the form. 7. The material of pulley mainly
composed of carbon steel, if possible aluminum alloy nylon can also
be employed; if external diameter is larger than 250 mm, iron is
used.