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Oil Well Drilling API 17 1/2" IADC637 tricone rock bits

Categories Tricone Drill Bit
Brand Name: ROSCHEN
Model Number: 17 1/2
Certification: ISO
Place of Origin: CHINA
MOQ: 1 set
Price: Negotiate
Supply Ability: 100000 pcs
Packaging Details: wooden box
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ROSCHEN GROUP
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Oil Well Drilling API 17 1/2" IADC637 tricone rock bits


API 17 1/2" Tricone Bit IADC637 for Oil well Drilling , water well drilling


The Tricone roller cone bit is the most widely used drilling bit. When the roller cone bit is working, the cutting teeth alternately contact the bottom of the well, the rock breaking torque is small, the contact area between the cutting teeth and the bottom of the well is small, the specific pressure is high, and it is easy to eat into the formation; the total length of the working edge is large, so the wear is relatively reduced. Cone bits can adapt to a variety of formations from soft to hard.


Our tricone bits are mainly used in oil well, water well, geothermal well drilling engineering. Roschen drilling bits are designed and manufactured according to the API & ISO standard which characteristics are long life, high drilling efficiency and low operation cost. We can produce bit sizes ranging from 2 7/8" to 26"and they can be applied to different formations from soft to very hard.



API 17 1/2" IADC 637 Tricone Drill Bit for Water Well Drilling
Diameter17 1/2” = 444.5mm
ModelHA637G
Pin ThreadAPI Reg. 7 5/8”
Gross Weigh/Net Weight260/280 Kgs
Packing Size500X500X650 mm
Product StandardAPI SPEC 7-1
BearingO-Ring Sealed Journal Bearing
Normal WOB0.7~1.2 KN/MM
Rotary Speed70~40 RPM
Cutting StructureLarge radius scoop compacts in inner row,spherical compacts in outer row,and a row of trimmers is added between gage row and heel row.
Drilling FormationMedium hard with high compressive strength and high abrasiveness, such as limestone, dolomite, sandstone and chert, etc.


API ROSCHEN Brand Tricone Bit Tolerance
Outer Diameter of Tricone BitOuter Diameter Tolerance
3 3/8 ~ 13 3/4 inch0 ~ 0.0313 (1/32) inch0 ~ 0.79 mm
14 ~ 17 1/2 inch0 ~ 0.0625 (1/16) inch0 ~ 1.57 mm
17 5/8 ~ 26 inch0 ~ 0.0625 (1/16) inch0 ~ 2.38 mm

ROSCHEN Brand Nozzle Sizes of Tricone Bit
Code of NozzlesTricone Bit DiameterO.D.of NozzlesLength of NozzlesInner Dia. of Nozzles
inchmmmmmmmm
S 03 5/8 ~ 492.1 ~ 101.618.1215.966 ~ 14
S 14 1/8 ~ 5 3/4104.78 ~ 146.120.317.486 ~ 14
S 25 7/8 ~ 7 3/8149.2 ~ 187.323.519.056 ~ 16
S 37 1/8 ~ 8 1/4190.5 ~ 209.629.7420.626 ~ 22
S 48 3/8 ~ 14 5/8212.7 ~ 371.532.8926.976 ~ 22
S 514 3/4 ~ 26374.6 ~ 660.440.8426.976 ~ 22
SC28 3/8 ~ 11212.7 ~ 279.423.5266 ~ 14
SC411 5/8 ~ 17 1/2295.3 ~ 444.532.8935.326 ~ 22


Quality Oil Well Drilling API 17 1/2" IADC637 tricone rock bits for sale
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