KLF is a professional manufacturer of customized torsion springs and offers high precision springs in a variety of shapes and sizes to meet strict customer requirements. Please provide the following information: Spring material, e.g. carbon steel wire, high carbon steel wire, stainless steel wire

• Spring end type, e.g. curved, hooked, flush end
• Spring types, e.g. single torsion, double torsion, special torsion
• Spring applications, e.g. office supplies, sports equipment, household appliances

Either send us a sample, or answer the following questions and email us. We will respond as soon as we receive your email.

• Spring material
• Wire diameter
• Outer diameter (O/D), Inner diameter (I/D), Middle diameter (M/D)
• Length L, length A, length B
• Rotation and cycles
• Free angle
• Surface electroplating and other treatment
• Torsional moment parameters and testing conditions (optional)
• Service life requirements (optional)
• Tolerances and working conditions