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4 3/4‘’ PDC Drill Bit Diamond Drill Head Drilling Tools

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Introduction

The Steel Body PDC Bit is designed to achieve higher rates of penetration in soft to medium hard formations with lower compressive strength.

Features

Durasef Gauge: This incredibly strong material enhances the resistance to wear on the gauge, resulting in a longer lifespan.

Hydraulics: The hydraulic design of the bit ensures optimal movement and cooling of cuttings by matching the chip quantity and displacement of each blade.

Special Backrake Design: To prevent the bit from getting stuck during drilling, a Backrake can be incorporated into the design.

Technology

Unique Blade Design: By incorporating exclusive cutting teeth and a specially curved blade design, the ability to drill through hard interlayers is significantly improved.




Basical Specification

Size of bit

4 3/4

Number of Blades

5

Primary Cutter Size

13mm

Nozzle Qty.

5NZ

Thread Connection

2 7/8 REG

Operating Parameters

RPM (r/min)

60~300

WOB(KN)

20~110

Application

Medium-hard to hard formations with low compressive strength, such as hard shale, limestone, sand-stone, dolomite, hard gypsum, marble, etc.




Company Information

机器 拼_副本hengji


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)  


7-钢体_副本_副本


6-钢体_副本-_副本


4-钢_副本_副本


5刀-胎体_副本_副本



Regular Models

14 34

14 3/4'' 117

14 34 537

14 3/4'' 537

13 58 537

12 1/4 ''537

10 58

10 5/8'' 537

22 517 (1)_副本

22''517

8 34 617 (1)_副本    8 3/4'' 617
15 12 517 (2)_副本

15 1/2'' 517

9 58 737_副本

9 5/8'' 737

12 14 537 (2)

12 1/4'' 537

6 12 537 (2)

6 1/2'' 537

8.12 517 (2)

8 1/2'' 517

108 437 (1)

108mm 437

6.5 217

6 1/2'' 217

12 14 637 (1)

12 1/4''637

6 517

6'' 517

6 14 (3)副本_副本

PDC 6 1/4''

4 34 (4)副本_副本

PDC 4 3/4''

12 (3)_logo

Drag bit 12''

1

8 1/2'' single cone

_MG_3168-1

8 1/2'' single cone

18 (2)_副本

Hole Opener 18''

12 637

Hole Opener 12''

_MG_3059-1

8 1/2'' single cone

1636013154460-ckt-抠图

Stabilizer

17.5 537 (2)

Reamer 17 1/2''


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NAVIGATION

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.

PRODUCT CATEGORY

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