Hexagonal Kelly
Kelly is located in the top of the drill string, with square and hexagonal.In rotary drilling, when it is drilling, kelly connected with square bushing and rotary bushing, transferthe ground rotary torque to Heavy Weight Drill Pipeand to drive the drill bit,bearingthe weight of the drill string.In the drilling of the turbine and screw, the weight of the drill string and the counter torque are supported.
We are a square Kelly manufacturerin China, our company has 2 sucker rod workshops, 3 production lines. We guarantee on-time delivery, No middleman!
Square Kelly Specification:
|
Specification |
Drive part length |
Overall length |
Drive part |
Upper internal threaded joint |
Lower external threaded joint |
Inner diameter |
|||||||||||||||||
|
StandardLD |
SelectionLD |
Standard |
Selection |
Square sizeDFL |
Across cornerDC |
Across cornerDCC |
RadiusRC |
RadiusRCC |
Eccentric hole minimum wall thickness |
Screw thread specification and left rotate type |
Outside diameter |
Chamfering diameter |
Thread specification and type |
Outside diameterDLR |
LengthLL |
Chamfering diameterDF |
|||||||
|
Standard |
Selection |
Standard |
Selection DU |
length LU |
Standard DF |
Selection DF |
|||||||||||||||||
|
（2½） |
11280 |
12190 |
（65/8）REG |
(4½)REG |
NC26(23/8IF) |
508 |
|||||||||||||||||
|
3 |
11280 |
12190 |
100 |
（65/8）REG |
(4½)REG |
NC31(27/8IF) |
508 |
||||||||||||||||
|
（3½） |
11280 |
12190 |
（65/8）REG |
(4½)REG |
NC38(3½IF) |
508 |
|||||||||||||||||
|
108 |
（4¼） |
11280 |
15540 |
12190 |
16460 |
108 |
（65/8）REG |
(4½)REG |
NC46(4IF) |
508 |
|||||||||||||
|
108 |
（4¼） |
11280 |
15540 |
12190 |
16460 |
108 |
（65/8）REG |
(4½)REG |
NC50(4½IF) |
508 |
154 |
||||||||||||
|
（5¼） |
11280 |
15540 |
12190 |
16460 |
（65/8）REG |
5½FH |
508 |
||||||||||||||||
|
（5¼） |
11280 |
15540 |
12190 |
16460 |
（65/8）REG |
NC56 |
508 |
||||||||||||||||
Hexagonal Kelly Specification mm（in):
|
Specification |
Drive part lengthти длины |
Overall length |
Drive part |
Upper internal threaded joint |
Lower external threaded joint |
Inner diameter |
|||||||||||||||||
|
StandardLD |
SelectionLD |
Standard |
Selection |
Square sizeDFL |
Across cornerDC |
Across cornerDCC |
RadiusRC |
RadiusRCC |
Eccentric hole minimum wall thickness |
Screw thread specification and left rotate type |
Outside diameter |
Chamfering diameter |
Thread specification and type |
Outside diameterDLR |
LengthLL |
Chamfering diameterDF |
|||||||
|
Standard |
Selection |
Standard DC |
Selection DU |
length LU |
Standard DF |
Selection DF |
|||||||||||||||||
|
（2½） |
11280 |
12190 |
（65/8）REG |
(4½)REG |
NC26(23/8IF) |
508 |
|||||||||||||||||
|
3 |
11280 |
12190 |
100 |
50 |
（65/8）REG |
(4½)REG |
NC31(27/8IF) |
508 |
|||||||||||||||
|
（3½） |
11280 |
15540 |
12190 |
16460 |
108 |
（65/8）REG |
(4½)REG |
NC38(3½IF) |
508 |
||||||||||||||
|
108 |
（4¼） |
11280 |
15540 |
12190 |
16460 |
75 |
（65/8）REG |
- |
- |
- |
NC46(4IF) |
508 |
|||||||||||
|
108 |
（4¼） |
11280 |
15540 |
12190 |
16460 |
75 |
（65/8）REG |
- |
- |
- |
NC50(4½IF) |
508 |
154 |
||||||||||
|
（5¼） |
11280 |
15540 |
12190 |
16460 |
173 |
（65/8）REG |
- |
- |
- |
5½FH |
508 |
||||||||||||
|
（5¼） |
11280 |
15540 |
12190 |
16460 |
173 |
（65/8）REG |
- |
- |
- |
NC56 |
508 |
||||||||||||
|
Steel Mark |
Chemical Composition% |
||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Al |
|
|
4145H |
|
≤0.03 |
≤0.03 |
|
≤0.2 |
|
|||
|
Other Elements：N≤0.015，Ni≤0.5 |
|||||||||
Mechanical Property:
|
Mechanical Property |
||||||||
|
Outside Diameter Range |
Yield Strength |
Tensile Strength |
ElongationA% |
HB |
Charpy impactAkv J |
|||
|
mm |
in |
MPa |
Psi |
MPa |
Psi |
|||
|
3-1/8～6-3/4 |
≥758 |
≥110000 |
≥965 |
≥140000 |
≥13 |
285～341 |
≥54 |
|
7 |
≥689 |
≥100000 |
≥930 |
≥135000 |
≥13 |
285～341 |
≥54 |
|
|
Under special conditions, the impact work of the charpy can be determined as greater than 70J according to the supply and demand |
||||||||
在线联系供应商
Other supplier products
 |
Grade HY Sucker Rod On Sale With Good Price | Grade HY Sucker RodOn Sale With Good Price Grade HY Sucker Rod DescriptionGrade HY Sucker Rodwith factory price If you have any question on Grade ... |
 |
3/4\\\\\\\\ | Spray Polished Rod Function of Polish Rod Polish rodis a kind of special sucker rod connected with sucker rod and beam hanger. It is at the top o... |
 |
Grade D Sucker Rod | Grade D Sucker Rod Hot sale various high quality Grade D Sucker Rod and 1" Grade D sucker rod from China leading manufacturer. Our products are eff... |
 |
Tapered Thread Sucker Rod | Tapered Thread Sucker Rod It is a sucker roddesigned specially for the PCP pump, and the taper thread is designed according to the drill pipe thre... |
 |
China Sucker Rod | Spray Anti-corrosion Sucker Rod It is a kind of manufacturability anti-corrosion sucker rod, the rod surface spraying a layer of special anti-corro... |
Same products
 |
愉悦提升液 成人情趣用品 女性愉悦提升液 | 卖方: AmorSerere | **产品名称：** 愉悦提升液 成人情趣用品 女性愉悦提升液**型号：** KGY732**产品概述：**高品质个人润滑液，带来顺滑舒适亲密体验。水溶性配方，与所有玩具材质及安全套兼... |
 |
定制环保个人润滑液 圆柱包装 高端牛皮纸润滑液 OEM | 卖方: AmorSerere | **产品名称：** 定制环保个人润滑液 圆柱包装 高端牛皮纸润滑液 OEM**型号：** paper-tube**产品概述：**高品质个人润滑液，带来顺滑舒适亲密体验。水溶性配方，与... |
 |
工厂直供 有机拉丝水溶性润滑液 提升快感 个人润滑液 | 卖方: AmorSerere | **产品名称：** 工厂直供 有机拉丝水溶性润滑液 提升快感 个人润滑液**型号：** ML-RHY-001**产品概述：**高品质个人润滑液，带来顺滑舒适亲密体验。水溶性配方，与所... |
 |
OEM 60ML 月经杯/月经盘润滑凝胶 个人润滑剂 | 卖方: AmorSerere | **产品名称：** OEM 60ML 月经杯/月经盘润滑凝胶 个人润滑剂**型号：** menstrual-cup-lubricant**产品概述：**高品质个人润滑液，带来顺滑舒适... |
 |
果味润滑液 200ml 个人润滑剂 调味凝胶 | 卖方: AmorSerere | **产品名称：** 果味润滑液 200ml 个人润滑剂 调味凝胶**型号：** 031167**产品概述：**高品质个人润滑液，带来顺滑舒适亲密体验。水溶性配方，与所有玩具材质及安全... |
