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8 1/2'' 215.9mm PDC Bit Steel Body 4 Blades

Availability:

Basical Specification

Size of bit

8 1/2’’

Number of Blades

4

Primary Cutter Size

16mm

Nozzle Qty.

6NZ

Thread Connection

4 1/2 REG

Operating Parameters

RPM (r/min)

80~800

WOB(KN)

30~120

Application

soft and medium soft layer,high abrasive formation

Bit characteristics:suitable for soft and medium soft layer,high abrasive formation.

Bit performance:blade less,chip space is large ,and the use of good abrasion resistance,strong anti impact properties of high quality pdc films,is conducive to the

Three-dimensional rotating spiral blade runner injection,fast cutting exhaust,improve the service life of drill bits.Using swirl channel change bottom flow field,avoid duplication of cuttings,greatly improve the drilling speed.

Company Information

轮播图5副本101副本_带水印


Main products

tricone bit(mill tooth and tungsten carbide insert tricone bit)

PDC bit(matrix body and steel body PDC bit)

hole opener(HDD rock reamer,barrel reamer,etc)

drag bit(step drag bit,PDC drag bit,chevron drag bit,etc)

accessories(single cone,bit breaker,nozzle ,etc)  



Regular Models



3 78 513 (3)副本_副本

          PDC 3 7/8''


4 58 513 (4)副本_副本

          PDC 4 5/8''


4 34 (4)副本_副本

            PDC 4 3/4''


5 12 (4)副本_副本

             PDC 5 1/2''

10-1

Tricone 5 7/8''537

14.34

Tricone 14 3/4'' 117

13 58 537

Tricone 12 1/4'' 537

10 58

Tricone 10 5/8'' 537

20 637 (1)_副本

Tricone 20'' 637

15 12 517 (2)_副本

Tricone 15 1/2'' 517

14 34 637 (2)_副本

Tricone 14 3/4'' 637

12 14 637 _副本

Tricone 12 1/4'' 637

12 14 437 (2)_副本

Tricone 12 1/4'' 437

8 34 617 (1)_副本

Tricone 8 3/4'' 617

12 14 537 (3)_副本

Tricone 12 1/4'' 537

9 78 517 (3)

Tricone 9 7/8'' 517

9 78 -3 (3)_logo

Drag bit  9 7/8''

15-5 logo

         Drag bit 15''

8 12-5 (2)_logo

Drag bit 8 1/2''

7 78-4 (3)_副本logo

Drag bit 7 1/2''

22 517 (1)_副本

Tricone 22''517

20 127

Tricone 20'' 127

17.5 217

Tricone 17 1/2'' 217

17.5-637

Tricone 17 1/2'' 637

18 (1)_副本

Hole opener 18''

14 _副本

Hole opener 14''

12 637_副本

Hole opener 16''

12 14 (2)_副本

Hole opener 12 1/4''


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Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits , mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.

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Junziguan industrial zone, hejian city, hebei province
+86-317 3213999
+86-18232837832
+86-18232837832
+86-18232837832
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