河间市佰纳斯钻井设备有限公司主要生产经营直径为37/8（98mm),45/8(118mm),57/8(149mm),6(152mm),61/2(165mm),71/2(190mm),77/8(200mm),81/2（216mm),91/2(241mm),97/8(250mm),105/8(269mm),115/8(295mm),121/4(311mm),135/8(346mm),151/2(393mm),16(406mm),171/2(445mm),26(660mm)（76mm-660mm)各种规格镶齿三牙轮钻头，钢齿三牙轮钻头，单牙轮钻头，矿山用牙轮钻头，石油钻头，硬质合金三牙轮钻头，复合片PDC钻头，取芯钻头，金刚石钻头，大口径组装钻头。    钻头规格(英寸)Bit specification(inch)5 7/8 ~ 7 3/87 1/2 ~ 9 3/89 1/2 ~ 13 3/4连接螺纹(英寸)Connected Tlread(inch)REG 3 1/2REG 4 1/2REG 6 5/8  扭矩(千牛.米)RecommendedTorque(kilo )9.5 ~ 12.216.3 ~ 21.737.93 ~ 43.8