5 Pcs 16mm x 8mm x 50mm Spiral Metal Stamping Compression Die Spring

• Made of good quality metal in orange, features high elasticity and good precision, installed small size and generate strong force.
• This Mould Die Spring is widely used in the punching moulds, metal die-casting moulds, plastic injection moulds and mechanical equipment with rigid structure.
• Hole Dia:The Diameter of the Hole on the Mold ,i.e.the Outer Diameter of the spring
  Rod Dia: The Diameter of the Rod that is to be inserted into this spring, i.e.the inner Diameter of the spring