Pup Joints
DHOT Drill Pipe Pup Joints are
machined from integral bars of 4145H MOD Q&T (chromium
molybdenum, manganese modification) alloy steel quenched and tempered
to a hardness range of 285- 341 BHN (drill collar
specs) Pup joints are available in 5
feet, 10 feet, 15 feet and 20 feet lengths and can be ordered to match
standard drill pipe dimensions.
*Welded pup joints are also available on request
When ordering, please specify:
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Overall length; 5 ft., 10 ft., 15 ft., 20
ft. or specific customer sizes
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Drill pipe OD
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Tool Joint OD
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Tapered or square shoulder
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Drill pipe connection size & type
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Bore
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Pressed or cast steel thread protectors
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