江汉钢齿镶齿牙轮钻头 江汉金属密封牙轮钻头
截至目前为止,江钻是中国及亚洲的牙轮钻头,三牙轮钻头,钻进配件,pdc复合片的生产厂家,产品原先国内外,为国家创造了利润,为人民带来了幸福。产品尺寸为:3 7/8(98mm),4 5/8(118mm),5 7/8(149mm),6(152mm),6 1/2(165mm),7 1/2(190mm),7 7/8(200mm),8 1/2(216mm),9 1/2(241mm),9 7/8(250mm),10 5/8(269mm),11 5/8(295mm),12 1/4(311mm),13 5/8(346mm),15 1/2(393mm),16(406mm),17 1/2(445mm),26(660mm)等