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Polygonal Kelly Drill Rod Pipe With Taper Small Pitch Thread For Mining And Well Drilling Rig Machine

Name: Polygonal Kelly Drill Rod Pipe With Taper Small Pitch Thread For Mining And Well Drilling Rig Machine
Brand: Shitan
Price: 1 USD

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Brand Name :	Shitan
Model Number :	STA
Certification :	API
Payment Terms :	L/C, T/T
Delivery Time :	15 working days

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Polygonal Kelly Drill Rod Pipe With Taper Small Pitch Thread For Mining And Well Drilling Rig Machine

Polygonal Kelly Drill Rod Pipe with Taper Small Pitch Thread for Mining And Well Drilling Rig Machine

The Kelly Drill Rod is made of alloy steel, and the two ends are specially heat-treated to be processed into a taper small pitch thread. The shape is a regular polygon according to the drill rig's spindle, and the torque of the drill rig is passed through the drill string and finally transmitted to the drill bit at the bottom. It has the characteristics of high cost efficiency, good wear resistance and long service life.

Kelly Parameters
SPEC	Cross Section Shape	Length Overall (m)	Pipe Body ID (mm)	Arc Slot Size (mm)	Top Thread(LH)			Bottom Thread			Surface Hardening
SPEC	Cross Section Shape	Length Overall (m)	Pipe Body ID (mm)	Arc Slot Size (mm)	Thread Pitch (Number of Thread per Inch) (mm)	Taper	Length (mm)	Thread Pitch (Number of Thread per Inch) (mm)	Taper	Length (mm)	Surface Hardening
Φ45×38×Φ25	Flat Square	4	25	R6.5	6.35(4)	—	43	2.54(10)	1:16	50	HRC45-52
Φ51×46×Φ25	Hexagon	6	25	R7	6.35(4)	—	45	2.54(10)	1:16	50	HRC45-52
Φ59×53×Φ28	Hexagon	4.5	28	R7.75	2.54(10)	1:16	55	2.54(10)	1:16	55	HRC45-52
Φ59×53×Φ28	Hexagon	4.8	28	R7	4.233(6)	1:5	50	2.54(10)	1:16	55	HRC45-52
Φ59×53×Φ28	Hexagon	6	28	—	2.54(10)	1:16	55	2.54(10)	1:16	55	HRC45-52
Φ65×55×Φ28	Flat Square	7	28	—	2.54(10)	1:16	55	2.54(10)	1:16	55	HRC45-52
Φ89×75×Φ45	Flat Square	7	45	—	3.175(8)	1:16	60	3.175(8)	1:16	60	HRC40-45
Φ89×79×Φ37	Hexagon	5.5	37	R12	4.233(6)	1:5	50	2.54(10)	1:16	65	HRC40-45
Φ89×79×Φ45	Hexagon	6	45	—	10	—	85	10	—	85	HRC40-45
Φ89×79×Φ45	Hexagon	7	45	—	3.175(8)	1:16	60	3.175(8)	1:16	60	HRC40-45
Φ89×79×Φ45	Hexagon	9	45	—	3.175(8)	1:16	60	3.175(8)	1:16	60	HRC40-45
1. The bottom thread parts quenching and tempering treatment.

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Polygonal Kelly Drill Rod Pipe With Taper Small Pitch Thread For Mining And Well Drilling Rig Machine

Polygonal Kelly Drill Rod Pipe With Taper Small Pitch Thread For Mining And Well Drilling Rig Machine

Polygonal Kelly Drill Rod Pipe With Taper Small Pitch Thread For Mining And Well Drilling Rig Machine

Polygonal Kelly Drill Rod Pipe with Taper Small Pitch Thread for Mining And Well Drilling Rig Machine

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Polygonal Kelly Drill Rod Pipe With Taper Small Pitch Thread For Mining And Well Drilling Rig Machine

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