Wire diameter 1.8mm outer diameter 20mm length 60-340mm
The frequency of spring use is hundreds of times per minute. Modern mold designs have high-quality mold springs, which require stricter efficiency.
The glossiness of a high-grade surface silvery white does not change with time.
Good elasticity, using excellent stainless steel material, not afraid of bending, good elasticity.
Higher hardness than copper and higher hardness than aluminum