Bambu Lab

Torsion Spring

$1.49 USD

$1.49 USD

Order Info
  • Order will be shipped out from USA warehouse in 1-3 business days once being processed.
  • Free shipping on orders over $49.
  • Free shipping on orders over $199 to remote areas including Alaska, Hawaii, Puerto Rico, and Guam.
Socket Head Cap Machine Screws (SHCS) Socket Head Cap Machine Screws (SHCS)

Product ID
d (mm)

Outer Diameter

n (mm)

Total Coil

dk (mm)

Wire Diameter

L (mm)

Leg Length

α (°)

Leg Angle



θ (°)

Max Deflection

BC001 5 3 1 24 120° 362.36 24°
BC002 4 6 0.4 12 120° 5.59 70°

Basic Information

Surface Treatment No
Winding Direction Right
Type Torsion spring
Material 304 Stainless steel
Leg Orientation Tangential
Leg Style Straight


  • Exceeding the maximum allowable deflection can lead to torsional spring fatigue. As the spring rate increases due to higher loads, the load curve rises accordingly, resulting in high stresses that can cause spring fractures.

  • In applications without pre-torsion, gaps may cause the spring to vibrate vertically, leading to spring twisting. With pre-torsion, the spring tends to be more stable.

  • When springs are used in a transverse orientation, it may cause wear and fracture of the guide pin and the spring.