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3 Wings Step Drag Bits for Soft Formation Water Well Mud Drilling 2.5 - 17.5 inch
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3 Wings Step Drag Bits for Soft Formation Water Well Mud Drilling 2.5 - 17.5 inch

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3 Wings Step Drag Bits for Soft Formation Water Well Mud Drilling  2.5 - 17.5 inch

 

Three Wings Step Drag Bits for  water well mud drilling on soft formation 2.5inch to 17.5inch

 

Introduction

PDC drag bits series is mainly used for water wells, mining, geothermal, environmental and exploration drilling. It is suitable for drilling in soft and soft-medium formations with fast penetration rate and high efficiency, and special for the large diameter holes’ drilling.

 

Types: Ordinary type; Reinforced type; Super strength type.

Threads: Any female or male threads.

Characteristic

All sizes are generally 3 wings and standard design;

Any size of 4 wings or chevron type is upon customer’s request;

All sizes connection type are AROD,NROD or standard API thread;

Any special size and design is upon customer’s request.

Drag bits diameter:76mm to 445mm;
Step Drag Drill Bits thread sizes: :2 3/8” API Reg, 3 1/2” API Reg, 4 1/2” API Reg, 6 5/8” API Reg, etc;

 

Specification

No.  Bit Diameter    Bit Design   Type  Part No  
 inch    mm   Step / Chevron 
1  2 1/2  64 S/C DB212S/DB212C
2  2 3/4  70 S/C DB234S/DB234C
3  2 15/16  75 S/C DB21516S/DB21516C
4  3  76 S/C DB3S/DB3C
5  3 1/8  79 S/C DB318S/DB318C
6  3 1/4  83 S/C DB314S/DB314C
7  3 1/2  89 S/C
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Mr. Mr. Jack Cheng
Tel: 86-10-84673566
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Xuanhua Jinke Drilling Machinery Co., Ltd.
Xuanchi Road,Industrial Development Zone,Xuanhua, Beijing, China (Mainland)
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