各种规格的不锈钢.铜.铁材质的圆头自攻螺丝PWA可以根据客户不同产品的要求定做非标圆头自攻螺丝PWA常用规格有大量的现货,1.2x41.2x51.2x61.4x41.4x51.4x61.4x81.7x31.7x41.7x51.7x61.7x81.7x102x62x82x102.3x62.3x82.3x102.6x62.6x82.6x102.6x123x63x83x103x123x163x203x254x64x84x104x124x164x204x25颜色有镀镍.白锌.黑色.可以根据客户要求加工别的颜色)