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6 inch IADC 217

Product name

6 inch IADC 217

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Product description
Technical  Parameters
Bit Size 6"(152.4MM)
IADC Code 217
Connection 3 1/2"API reg pin
Nozzle Qty 3NZ
Operating Parameter
Rotary Speed(rpm) 180~80
Weight on Bit(KN/MM) 0.35~1
Formation Soft to medium soft with low compressive strength or soft with hard
interlayer,like anhydrite,soft limestone,sandstone,etc.

 
Cutting Structure

The wear-resistance of the teeth is enhanced with premium tungsten carbide hard facing on the tooth surfaces for the steel tooth bit. The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.

Gauge Structure

Multiple gauge protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone,tungsten carbide inserts and hard facing on the shirttail increases gauge holding capability and bearing life

Bearing Structure

High precision roller bearing with two thrust faces. Balls lock the cone, The leg bearing can get larger by arraning the roller in groove of the cone hole,so it can receive more WOB,and suitable for high RPM. Thrust faces hard faced with wear resistant alloy, Abrasion resistance and seizure resistance of the bearing are improved.

Seal and Lubrication

Premium HNBR O-ring,optimal seal compression and curved seal structure can enhance seal performance. The pressure compensator system and advanced grease can greatly increase the lubrication reliability

Product Application

It can bear higher WOB and faster rotary speed than conventional roller bearing bits. It is suitable for high RPM applications.

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