1) Square Kelly
2) API 7-1&SY/T6509-2000
3) Size:2-1/2" 2-7/8" 3" 3-1/2" 4-1/4" 5-1/4"
4) Drive Section
Square Kelly Specifications
Model Driving section length Overall length Driving section
Standard LD Selected LD Standard L Selected L Square Size DFL Across corner DC Across corner DCC radius RC radius RCC 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 88.9 115.1 112.7 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 16490 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
Please feel free to contact me: atterly(at)yahoo.cn
2) API 7-1&SY/T6509-2000
3) Size:2-1/2" 2-7/8" 3" 3-1/2" 4-1/4" 5-1/4"
4) Drive Section
Square Kelly Specifications
Model Driving section length Overall length Driving section
Standard LD Selected LD Standard L Selected L Square Size DFL Across corner DC Across corner DCC radius RC radius RCC 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 88.9 115.1 112.7 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 16490 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
Please feel free to contact me: atterly(at)yahoo.cn
Main Products
Drill string, Drilling equipment, wellhead tools
Contact Detail
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Sales Contact86 15266004505