新的API和ISO 8 1/2 HA 137钢齿三牙轮钻头
| 包装细节: | 木盒子; 钢箱梁; 或作为您的要求 |
|---|---|
| 交货详细信息: | 后7天内符合奥德 |

1.高强度,高弹性,高温度,高耐磨损性。
2.高精度的金属密封。
3.锁定滚球,以适应高速。
4.采用高强度,高韧性硬质合金齿。
5.小时在旋转牙轮钻头的冲击力,粉碎和剪切破碎岩石的作用。
6. 牙轮钻头适应软,米 edium和硬各阶层。
7.合理的价格,工作寿命长。
规范:
| 尺寸 | 8 1/2(215.9毫米) |
| IADC | 137 |
| 轴承类型 | 弹性体密封的滑动轴承 |
| WOB(千牛/毫米) | 0.35~1.05 |
| 转速(转/分) | 120~60 |
| 适用编队 | 软正中软formatons低抗压强度,如硬石膏,棉花岩,砂石等 |
填料:


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| Packaging Details: | wooden box; steel box; or as your requirements |
|---|---|
| Delivery Detail: | within 7 days after conform orde |

1. High-strength, high flexibility, high temperature, high wear resistance.
2. High-precision metal seal.
3. Locking roller ball, to adapt to high-speed.
4. The use of high strength high toughness carbide teeth.
5. Hours in the rotary cone bit with the impact, crushing and shearing the role of broken rock.
6. Cone bit to adapt to the soft, medium and hard of various strata.
7. Reasonable price and long working life.
Specification:
| Size | 8 1/2 (215.9mm) |
| IADC | 137 |
| Bearing Type | elastomer sealed slide bearing |
| WOB (kN/ mm) | 0.35~1.05 |
| RPM (r/ min) | 120~60 |
| Applicable Formations | Soft to median soft formatons with low compressive strength, such as anhydrite, cotton rock, sandstone, etc. |
Packing:


Payment:
T/ T&L/ C
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