kingdream TCI /MT tricone drill bits for water well drilling

Model:	17 1/2 inch
Brand:	kingdream
Origin:	Made In China
Category:	Industrial Supplies / Machinery / Machine Tool
Label:	tricone drill bits , MT tricone bits , water tricone bits
Price:	US $5000 / pc
Min. Order:	1 pc

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Product Description

bit Diameter:444.5mm
bit IADC code:517/537
Nozzles: 3 lateral jet nozzles
bearing type: rubber sealed Journal
drilling speed: 40-180 RPM
drilling pressure:0.35-1.0KN
dimension:455*455*650mm
weight: 220/260kg

Application formation:

low compressive strength, the soft, hard abrasive interlayer, such as hard shale, anhydrite, soft limestone, sandstone, dolomite, etc

spoon-shaped top side in rows of teeth, wedge-shaped outer rows of teeth, tooth cloth is not equidistant

pakcages:fumigation wooden case
delivery time:2days for stock, 35 days for manufacturing

Recommend Drilling Technical Parameters
IADC code	WOB(KN/mm)	RPM(r/min)	Suitable formation
116,117	0.35-0.80	40-180	Very soft
126,127	0.35-0.90	40-180	Soft
136,137	0.35-1.00	40-160	Soft to medium
216,217	0.4-1.00	60-120	medium
417,437	0.35-0.90	40-180	Very soft
517,527	0.40-0.95	40-160	Soft to medium
537,547	0.45-1.00	40-120	Medium to hard
617,627	0.45-1.05	40-90	Hard
637	0.50-1.20	50-80	Very hard