◆以特殊工艺按GB/T308.1-2013、ISO3290-1-2008标准生产与高 精度、低噪音、长寿命的 φ3.175-中15.875mm(公制或英制)不锈钢钢球。

◆精度:超过G10级，接近G5级水平，振动值为Z4组(<30dB)

According to GB/T308.1-2013,1S03290-1-2008, we produce3.175-15.875 mm stainless steel balls with high precision, lownoise and long service life.

Accuracy:above G10 level, close to G5 level, vibration valueZ 4 group (≤30 dB)