- Mining Machinery Parts[10]
- Drilling Rig[3]
- Steel Pipes[8]
- Valves[3]
- Cast & Forged[1]
- Pipe Fittings[4]
- Pumps[4]
- Other Construction Machinery[1]
- Other Mining Machinery[1]
- Steel Wire Mesh[1]
- Filter Meshes[1]
- Cleaning Equipment[1]
- Chemical Auxiliary Agent[4]
- Contact Person : Ms. Kuo Herish
- Company Name : Sinotai Petroleum Equipment Co., Ltd.
- Tel : 86-546-8300512
- Fax : 86-546-8308512
- Address : Shandong,Dongying,No.69 Dengzhou Road
- Country/Region : China
- Zip : 257091
API square kelly
1). square kelly2).API 7-1& SY/T6509-2000 3).size:2-1/2" 2-7/8" 3" 3-1/2" 4-1/4" 5-1/4"
Square kelly specifications
Model | Driving section length | Overall length | Driving section | ||||||||
StandardLD | SelectedLD | StandardL | selectedL | Square size DFL | Across cornerDC | Across corner DCC | radiusRC | radiusRCC | Eccentric hole Min. thickness t | ||
63.5 | (2 1/2) | 11280 | 12190 | 63.5 | 83.3 | 82.55 | 7.9 | 41.3 | 11.43 | ||
76.2 | (3) | 11280 | 12190 | 76.2 | 100.0 | 98.43 | 9.5 | 49.2 | 11.43 | ||
88.9 | (3 1/2) | 11280 | 12190 | 88.9 | 115.1 | 112.70 | 12.7 | 56.4 | 11.43 | ||
108.0 | (4 1/4) | 11280 | 15540 | 12190 | 16460 | 108.0 | 141.3 | 139.70 | 12.7 | 69.9 | 12.07 |
108.0 | (4 1/4) | 11280 | 15540 | 12190 | 16460 | 108.0 | 141.3 | 139.70 | 12.7 | 69.9 | 12.07 |
133.4 | (5 1/4) | 11280 | 15540 | 12190 | 16460 | 133.4 | 175.4 | 171.45 | 15.9 | 85.7 | 15.88 |
133.4 | (5 1/4) | 11280 | 15540 | 12190 | 16460 | 133.4 | 175.4 | 171.45 | 15.9 | 85.7 | 15.88 |
Model | up thread connector | down thread connector | I.D. | ||||||||||
thread gauge&type | O.D | bevel end D | thread gauge&type | O.D. | length | bevel end D | |||||||
standard | slected | standard | slected | length | standard | selected | |||||||
63.5 | (2 1/2) | (6 5/8)REG | (41/2)REG | 196.9 | 146.1 | 406.4 | 186.1 | 134.5 | NC26(23/8IF) | 85.7 | 508 | 82.9 | 31.8 |
76.2 | (3) | (6 5/8)REG | (41/2)REG | 196.9 | 146.1 | 406.4 | 186.1 | 134.5 | NC31(27/8IF) | 104.8 | 508 | 100.4 | 44.5 |
88.9 | (3 1/2) | (6 5/8)REG | (41/2)REG | 196.9 | 146.1 | 406.4 | 186.1 | 134.5 | NC38(31/2IF) | 120.7 | 508 | 116.3 | 57.2 |
108.0 | (4 1/4) | (6 5/8)REG | (41/2)REG | 196.9 | 146.1 | 406.4 | 186.1 | 134.5 | NC46(4IF) | 158.8 | 508 | 145.3 | 71.4 |
108.0 | (4 1/4) | (6 5/8)REG | (41/2)REG | 196.9 | 146.1 | 406.4 | 186.1 | 134.5 | NC50(41/2IF) | 161.9 | 508 | 154.0 | 71.4 |
133.4 | (5 1/4) | (6 5/8)REG | 196.9 | 406.4 | 186.1 | 5 1/2FH | 177.8 | 508 | 170.7 | 82.6 | |||
133.4 | (5 14) | (6 5/8)REG | 196.9 |
| 406.4 | 186.1 | NC56 | 177.8 | 508 | 171.1 | 82.6 |
API square kelly