IADC code

IADC117

Bit size

6-1/4(in)    158.7(mm)

Tooth type

Wide teeth, chisel insert

Thread connections

According to API Spec7-1 standard

Coon Pin

3-1/2 API. REG

Material

high manganese steel ,inlaid friction-reducing alloy

Rotation speed

180-60 r/min

WOB

0.3~0.75 KN/mm

Lubrication and seal

Adopt advanced grease

Pressure control system

The pressure compensator

Thrust faces

Hardfaced with wear resistant alloy

Nozzles

Three nozzles, Center nozzle can be customized

Multiple gauge protection

Yes

Gauge protection

On the Shirttail: More carbide inserts increase gauge holding capability and bearing life.

Bearing

Elastomer sealed (rubber sealed) journal bearing

Metal-face  sealed journal bearing

Industrial standard of China

SY/T5217-2000

Quality management system

ISO 9001-2008

Bit dimension

210mm×230mm×350mm

Bit weight

18kg