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45-55hrc Tungsten Carbide Tricone Roller Cone Drill Bits For Core Barrel

Categories	Drilling Teeth
Brand Name:	jthl
Model Number:	b47k22h
Place of Origin:	beijing
MOQ:	10
Price:	USD+200-400 +set
Payment Terms:	L/C, D/P, T/T, Western Union
Supply Ability:	10000+set +year
Packaging Details:	exported standard package, wooden case
material:	tungsten carbide , 42Crmo
application:	foundation pile
hardness:	45-55hrc
condition:	100% new
Oem:	available
application layer:	Soil, Earth, Rock, Clay, Mud, Etc.

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Beijing Jietaihongli Technology Co., Ltd.

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45-55hrc Tungsten Carbide Tricone Roller Cone Drill Bits For Core Barrel

Applicable layers: dense sand, gravel, hard rocks and very hard formation, etc..
Sizes: From 2 7/8 to 26"larger sizes for hole opener bit ,reamer bit.
Type: 437,517,537,617,637
Hardness: 50-54 or higher HRC

ROLLER BITS IADC CODE SELECTION

IADC	WOB	RPM
IADC	(KN/mm)	(r/min)
111/114/115	0.3-0.75	200-80
116/117	0.35-0.8	150-80
121	0.3-0.85	200-80
124/125	0.3-0.85	180-60
131	0.3-0.95	180-80
136/137	0.35-1.0	120-60
211/241	0.3-0.95	180-80
216/217	0.4-1.0	100-60
246/247	0.4-1.0	80-50
321	0.4-1.0	150-70
324	0.4-1.0	120-50
437/447/435	0.35-0.9	240-70
517/527/515	0.35-1.0	220-60
537/547/535	0.45-1.0	220-50
617/615	0.45-1.1	200-50
637/635	0.5-1.1	180-40
Note: Above limitts of WOB and RRPM should not be used simultaneously

ROLLER PIN SIZE

Bit Diameter		API PIN
(Inch)	(mm)	API PIN
3 7/8''~5 1/4''	98~134	2 3/8''. 2 7/8''
5 5/8''~6 3/4''	143!171	3 1/2''
7 1/2''~9 1/2''	190.5~241	4 1/2''
9 5/8''~13 3/4''	245~350	6 5/8''
14 5/8''~26''	371~660.4	7 5/8''

Product Tags:

45hrc tricone roller cone drill bits

55hrc tricone roller cone drill bits

45-55hrc Tungsten Carbide Tricone Roller Cone Drill Bits For Core Barrel

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