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

 The Advantages to Use Tricone BitsThan Other Kinds of Rock Bits

1)  There is a tricone suitable for any rock formation

2)  Tricone bits are versatile and can handle changing formations

3)  Tri cones Are reasonably priced with long life and good rate of drilling

 

Payment Terms︰ T/T,western union

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