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Kellys

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Kellys

 
    Kellys is driving section of wohole drill stem. Kelly is available with square kelly and hexagonal kelly. TIANHE brand kelly are manufactured strictly from API Spec7-1 and SY/T6509-2000 standard.

Technical specification and parameters
Size
(in)
Upper box connectionLower pin connectionI.D.(mm)Driving section (mm)
Connection (LH)O.D.(mm)Connection (LH)SquareHexagonalCross flatFor square kellyCross corner for hexa kelly
StdOptionalStdOptionalSquareO.D.
(mm)
HexagonalO.D.
(mm)
2 1/26 5/8REG4 1/2REG196.8146.0NC2685.7  31.8 63.583.3 
36 5/8REG4 1/2REG196.8146.0NC31104.8NC2685.744.431.876.2100.085.7
3 1/26 5/8REG4 1/2REG196.8146.0NC38120.6NC31104.857.244.488.9115.1100.8
4 1/46 5/8REG4 1/2REG196.8146.0NC46158.8NC38120.671.457.2108.0141.3122.2
6 5/8REG4 1/2REG196.8146.0NC50161.9NC38120.671.457.2108.0141.3122.2
5 1/46 5/8REG 196.8 5 1/2FH177.8NC46158.882.676.2133.3175.4151.6
6 5/8REG 196.8 NC56177.8NC50161.982.682.6133.3175.4151.6
66 5/8REG 196.8   5 1/2FH177.8 88.9152.4 173
6 5/8REG 196.8   NC56177.8 88.9152.4 173
All technical specifications and parameters only provides for reference.


Kellys
 
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