Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.: Cangzhou, Hebei, China; Main products: Tricone bit, PDC Bit, Step bits, reamer bitHole opener, tci tricone bit

Home > Products > By Sizes > API&ISO quality9 5/8" insert tooth tricone rock roller bit/oil drilling equipment kingdream high quality

API&ISO quality9 5/8" insert tooth tricone rock roller bit/oil drilling equipment kingdream high quality

FOB Price

USD $500 - $5,000 / Piece

1 Piece(Min.Order)

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Product Details

Place of Origin	Beijing, China	Brand Name	SRF
Model Number	cover all IADC CODE,of all sizes5-17 1/2"	Type	Center Drill Bit
Material	High Carbon Steel	Use	Metal Drilling

Technical data
IADC	WOB	RPM	Applicable Formations
IADC	Kn/mm	r/min	Applicable Formations
417	0.35-0.9	150~70	Very soft formation with low compressive strength and high drillability,such as clay,mudstone,gypsum,salt, soft shale,soft limestone,etc.
437
447
517	0.35-0.95	150~60	soft formation with low compressive strength and high drillability,such as mudstone,gypsum,salt, soft shale,soft limestone,etc.
527

537	0.45-1.0	120~50	soft to medium formation with low compressive strength and high drillability,such as medium soft shale,edium soft limestone,medium soft sandstone,medium formation with harder and abrasiver inerbeds,etc.
547

617	0.45-1.1	90-50	medium hard formation with high compressive strength,such as hard shale,limestone,sandstone,dolomite,etc
627
637	0.5-1.2	80-40	hard formation with high compressive strength,such as shale,limestone,dolomite,hard gypsum,marble,etc

Features of 9 7/8 tci bits

1.Size:2 7/8" (70.0mm)~26" (660.4mm)

2.Cover all all IADC code

3.Reliable quality and best price

4.tungsten carbide insert tricone bit

5.certified by ISO,API

6.high efficiency

.Advantages of 9 7/8 tci bits

1.Suitable for medium to medium hard formation of high Crushing Resistance

(hard shale,sands,etc.)

2.Bit bearing is sealed journal bearing.

3.Hardfacing is applied on the shirttail,and carbide inserts for gage protection

are pressed into the head OD.

4.Cone gage surface is reinforce with carbide compacts.

5. Partial top spoon shaped inner row of teeth, the wedge outer row of teeth is not equidistant

teeth, in the back cone tooth and the outer row of teeth between adds a row of trimming gear

6. High compressive strength, hard and abrasive high formation, such as limestone, dolomite,sandstone, chert and other

Detailed pictures

ZhongCheng Certificate

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Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.: Contact nameLeia Sun
Chat Now; Phone0086-317-3223932; AddressFuyingmen6,Beihuan road, Cangzhou, Hebei