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Steel Tooth Bits
Number of views:
1000

Steel Tooth Bits

( API 7-1, SY/T5164, ISO9001:2008 )
Retail price
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Yuan
Market price
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Yuan
Number of views:
1000
Product serial number
37
Quantity
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Stock:
Model overview
Parameters
Detailed model

~~~~~~~~••~~~~~~~~••~~~~~~~~••~~~~~~~~••~~~~~~~~••~~~~~~~~

 (Steel Tooth Bits  Size and Model Overview)  

Bit Size

Bit Model

 

in

mm

4 5/8

117.5

HCR126      HCR126T  

4 3/4

120。7

HCR116      HCR116T

5 7/8

149.2

HCR126  HCR127  HCR136  HCR216      HCR126T  HCM127T  HCR136T  HCR216T

6

152。4

HCR117  HCR124  HCR216         HCM117T  HCR124G  HCR216T               

6 1/4

158.8

HCR127      HCM127T

6 3/4

171。5

HCR116      HCR116T

7 1/2

190。5

HCR127  HCR217      HCM127T  HCM217T

7 7/8

200

HCR117      HCM117T

8 3/8

212。7

HCR217      HCM217T

8 1/2

215.9

HCR114  HCR115  HCR125  HCR117  HCR127  HCR137  HCR214  HCR217        HCR114T  HCM115GT  HCM125GT  HCM117T  HCM127T  HCM137T  HCR214T  HCM217T  

8 3/4

222。3

HCR116      HCR116T

9 1/2

241。3

HCR115GT  HCR125GT  HCR117  HCR127      HCM117T  HCM127T

9 5/8

244.5

HCR117  HCR127      HCM117T  HCM127T

9 7/8

250.8

HCR117  HCR127  HCR137  HCR217      HCM117T  HCM127T  HCM137T  HCM217T

10 5/8

269。9

HCR127  HCR217      HCM127T  HCM217T

11 5/8

295。3

HCR125  HCR117  HCR127  HCR137  HCR217      HCM125GT  HCM117T  HCM127T  HCM137T  HCM217T

12 1/4

311。2

HCR114  HCR124  HCR115  HCR125  HCR117  HCR127  HCR137      HCR114G  HCR124G  HCR115GT  HCR125GT  HCM117T  HCM127T  HCM137T

14 3/4

374。7

HCR117  HCR127  HCR137      HCM117T  HCM127T  HCM137T

15 1/2

393.7

HCR127  HCR217      HCM127T  HCM217T

16

406.4

HCR117  HCR127      HCM117T  HCM127T

17 1/2

444.5

HCR117  HCR127  HCR137      HCM117T  HCM127T  HCM137T

20

508

HCR117  HCR217      HCM117T  HCM217T

22

558.8

HCR117  HCR217      HCM117T  HCM217T

24

609.6

HCR117  HCR217      HCM117T  HCM217T

26

660。4

HCR117  HCR217      HCM117T  HCM217T
NOTE : T-Corner protection tooth 

~~~~~~~~••~~~~~~~~••~~~~~~~~••~~~~~~~~••~~~~~~~~••~~~~~~~~

 (Steel Tooth Bits  Model Select Reference)  

Model

WOB
(KN/MM)
(Bit Dia)

PRM
(r/min)

Applicable Formations

114  115

(R)0.25~0.70

(M)0.20~0.70

(R)200~80

(M)350~80

Very soft formations with low compressive strength and high drillability, such as soft shale, clay, salt rock, etc.

116  117

(R)0。35~0。90

(M)0.35~0.90

(R)180~80

(M)300~80

Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk etc。

124  125 (R)0.25~0.70 (R)200~80 Extremely soft formations with low compressive strength and high drillability, such as shale, clay, salt rock, soft limestone, etc.

126  127

(R)0.35~1.00

(M)0。30~0。90

(R)180~80

(M)300~80

Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,softshale.soft limestone,ect.

136  137

(R)0.35~1.05

(M)0。35~0。90

(R)120~60

(M)300~80

Soft to mesium soft formations with low compressive strength and high drillability.such as medium soft shale,hard gypsum,medium soft limestone.medium soft sandstone soft formation with harder nterbeds,ect.

214  215 (R)0.25~0.70 (R)200~80 Medium hardness and hard interlayer, such as hard shale, sandstone, limestone, etc.

216  217

(R)0.50~1.20

(M)0。35~1。05

(R)100~50

(M)220~60

Medium hard formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds ect。

316  317

(R)0.70~1.40

(R)80~45

High-strength, abrasive hard formations, such as hard limestone, hard sandstone, dolomite, hard shale, etc.
Note:The upper limits of WOB and RPM in above table should not be used simultaneously.

 

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We could not find any corresponding parameters, please add them to the properties table

1、Bit size

 

2、Manufacturer code

 

3、Seal class:

     R:Rubber sealed

    M:Metal sealed

 

4、Bit type and suitable formation

     1-3 for milling bit( Milled Tooth Bit)

     4-8 for bit with inserted teeth( Insert Toom Bit)

     Code details:

     1-Milling teeth, soft formation (low compressive strength, high drillability)                             

     2-Milling teeth, medium hard formation (high compressive strength)                                

     3-Milling teeth, hard, abrasive or semi abrasive formation                                

     4-Inlaid teeth, soft formation (low compressive strength, high drillability)

     5-Inlaid teeth, soft medium hard formation (low compressive strength)                            

     6-Inlaid teeth, medium hard formation (high compression strength)

     7-Inlaid teeth, abrasive, or moderately abrasive formation。

     8-Inlaid teeth, very hard (highly abrasive formation)

 

5、Rock grade code

     It means that in the first digital representation of the drilled formation, it can be divided into four grades: 1, 2, 3 and 4 from soft to hard.

 

6、Structural feature code

     It is represented by 9 numbers, among which 1-7 represents the bearing and diameter maintaining characteristics of the bit, and 8 and 9 are reserved       for the new structure bit in the future.

     1-7 code details:

     1-Unsealed bearing                               

     2-Clear air, cooling, rolling bearing              

     3-Rolling bearing, diameter maintaining                                   

     4-Rolling seal bearing

     5-Dynamic seal bearing

     6-Sliding and sealed bearing

     7-Sliding and sealed bearing

 

7、Rock grade supplement code

     It is used to represent features that cannot be expressed by the first three digits, and English letters are used to represent 11 features defined by IADC  at present.:

     A-Air cooling                                         

     C-Central nozzle                                                                                       

     D-directional drilling                                                                                       

     E-Lengthening nozzle

     G-Additional  bit body protection

     J-Nozzle deflection        

     R-Strengthen welding maintenance (for lead drilling)

     S-Standard iron tooth

     X-Die tooth 

     Y-Conical insert

     Z-Other shape inserts

 

 

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