Guide rod diameter: 0.5 inches (12 mm)
Inner diameter D1 mm (0.55 in)
Wire diameter: 0.08 in (2 mm)
Arm Length: 2.4 inches (60 mm)
Allowable torsion angle: φd (deg): 51
Allowable torque (N·mm): 25.8 inches (628 mm)
Allowable torque (kgf/mm): 15.2 inches (64.15 kg)
Spring Constant (N/mm/deg): 12.296
Spring Constant (gf/mm/deg): 1256
Characteristics: Corrosion resistance, heat resistance (approx. 250 degrees Celsius)
Material: JIS G 4313 (stainless steel wire for springs) Type B SUS304 WP-B
Range of application: Torsion coil springs using stainless steel wire for cold forming, wire diameter 0.01 - 0.08 inch (0.3 - 2 mm) in diameter.