硬质合金1.牙掌轴承表面堆焊层，圆锥轴承，黄金焊接在一起银后降低，提高了承载能力和抗咬合能力;

2，轴承O型密封圈是耐磨，耐高温高饱和度的NBR，增加密封环部减小了压力密封，精心设计密封凸台以外的改进的密封的可靠性。

3，使用钢丝球或卡锁苇锥的方式，卡锁能承受高的芦苇钻压，钢珠锁定能适应高速。

铰刀位，孔揭幕战位，铰刀钻头

1.切削结构
扩孔器主要由四个或更多的视锥细胞。 切削结构与保费碳化钨堆焊或公式​​的保费钨硬质合金刀片和新技术的利用，增加耐磨铰刀的能力。 飞行员为三牙轮钻头（三牙轮钻头）。

2.密封与润滑
高性能氢化丁腈橡胶O型圈的轴承密封及先进润滑脂润滑。

3.产品应用
它适用于大尺寸井，采矿和基础设施应用。

1. Tooth palm bearing surface surfacing layer of hard alloy, cone bearing with reduced after welding together gold for silver, improve the bearing capacity and resistance to bite ability;

2, bearing type O sealing ring is wear-resistant, high temperature resistant high saturation NBR, increase the sealing ring section reduces the pressure seal, carefully designed sealing convex platform outside the improved seal reliability.

3, USES the steel ball or card lock reed cone way, card lock can endure high reed drilling pressure, steel ball to lock the can adapt to high speed.

Reamer bit, hole opener bit, reamer drill bit

1. Cutting Structure
The reamer mainly consists of four or more cones. Cutting Structure with premium tungsten carbide hardfacing or premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance capability of reamer. The pilot is three cone bit ( tricone bit ) .

2. Seal and Lubrication
High performance HNBR O-ring for bearing seal and advanced grease for lubrication.

3. Product Application
It is suitable for the large size well, mining and infrastructure applications.