Product details

HEBEI CROSSING DRILL BIT MANUFACTURE



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Product name:

12 1/4inch Steel Tooth Bit

Category:

Mill Tooth Bit

Inquiry

Product description

PRODUCT SPECIFICATIONS

product name

12 1/4 inch CR217 Mill tooth tricone bit

size

12 1/4 inch,311.1mm

model number

CR217

series

CR

tooth type

mill tooth

connection

6 5/8"  Reg PIN

bearing

rubber sealed journal bearing

Nozzle

three jet nozzles

application

water well,oil well,HDD,exploration,etc

weight

101kg

certificate

SY/T5164,ISO9001:2008

RECOMMENDED ROCK FORMATIONS

medium hard with relatively higher compressive strength and hard stringers,such as hard shale,sandstone  and limestone,etc.

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

Type&IADC code

116,117

126,127

136,137

216,217

317

337

WOB(KN/mm)

0.35~0.90

0.35~1.00

0.35~1.05

0.35~1.2

0.7~1.30

0.80~1.40

RPM(r/min)

150~80

150~70

120~60

90~50

80~45

75~45

 

Message

HEBEI CROSSING DRILL BIT MANUFACTURE



Hebei Crossing Drill Bit Manufacture Co.,LTD

Candy Qian    
candy@crossingbit.com
whatsapp:0086-15128736973

Nicole Liu 
crossingbit1@163.com

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