Unlike most compression and tension springs, torsion springs require a central support or core for testing, and custom mandrels to hold and turn the tails, which themselves are designed to purpose.
Precision adjustable alignment
Measurement down to just a few mN.m
Interchangeable torque cells
Remove or apply static axial force
Available also as a touch-screen model
Cosmetics containers (e.g. lipstick barrels)
Medical devices (e.g. Luer fittings and dosage devices)
Light torsion springs
Rotary electronics controls and components.