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15 1/2'' Roller Cone Bit Carbide Steel Tooth From Factory Direct Selling

FOB Price 2720 - 2730 USD / piece
MOQ1 piece
Porttianjin
Packagingplywood box

Product Details

Basical Parameter

Bit Size

15 1/2"(394MM)

IADC Code

127

Tooth Type

Steel /Milled Tooth

Bearing Type

Elastomer Sealed Bearing

Connection

7 5/8"API reg pin

Rotary Speed(rpm)

180~80

Weight on Bit(KN/MM)

0.35~1.00

Formation

low compressive strength,high drill-ability and soft formation,like shale,clay,salt rock and soft limestone,etc.

15 1/2 inches is a regular size in water well drilling, it is working well with small capacity drilling rigs and widely used in the world.

Steel tooth tricone rock bit is also named milled tooth tricone rock bit could drill soft mudstone, even soft limestone, the cones are hard faced by tungsten carbide, the bearing is journal and locked by ball, high grade elastomer(rubber)-HNBR O-ring sealed bearing, grease compensating system lubricate the bearing , the working life is very long.

Application

Well Drilling Water Well Drilling

IADC

Rock formation

WOB (KN/mm)

WOB (KN/mm)

116/117

Low compressive strength, high drill-ability and extremely soft formation, like soft shale, clay, conglomerate etc.

0.35~0.90

180~80

126/127

Low compressive strength, high drill-ability and soft formation, like shale, clay, soft limestone, salt rock, etc.

0.35~1.00

180~80

136/137

Soft to medium soft with low compressive strength or soft with hard interlayer, like anhydrite, soft limestone,sandstone, etc.

0.37~1.05

130~60

216/217

Medium hard formation with relatively high compressive strength and hard interlayer, like hard shale, sandstone, limestone, etc.

0.5~1.20

100~50

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