复合钻尾螺丝 × 复合钻尾螺丝 原产地:台湾 立即询问产品 加入询问清单 详细规格及用途描述 Bi-metal self-drilling screws are combined with stainless steel and carbon steel. With the two different materials, bi-metal self-drilling screws are hard enough to drill steel plates and also antirust.
