结构特点:

1.滚动轴承密封轴承结构，圆柱滚子圆锥在身体槽，增大轴颈尺寸。

2.推力轴承分别副研磨表面处理和淬火工艺。

3.压差并防止在润滑系统中的所有橡胶储油囊钻井液的限制，轴承系统提供了良好的润滑保证。

4.钢球锁模具，适用于高速。

5. 250℃耐高温，新的油脂抗磨损性。

产品优势：

GA系列位办理O形橡胶密封滚子轴承钻头，用于高速钻钻低气压，它是一种理想和经济的工具。

Structure features:

1. Rolling seal bearing structure, cylindrical roller cone in slots in the body, increasing the shaft neck size.

2. Thrust bearing vice respectively by grinding surface treatment and hardening process.

3. The differential pressure and prevent drilling fluid restrictions in the lubricating system all rubber oil storage sac, for bearing system provides good lubrication guarantee.

4. Steel ball lock die, suitable for the high speed.

5. The 250 ° C high temperature resistance, abrasion resistance of new grease.

Product advantage:

GA series bit for O form rubber sealing roller bearing drill bits, low pressure for the high speed drilling drilling, it is an ideal and economic tools.