Dia 355mm 6 HOB Drilling Hole Opener MT And Welding Cutter

Basic Information
Place of Origin: HeBei China
Brand Name: Pangolin
Price: Negotiable
Packaging Details: According to customer needs
Delivery Time: 5-15work days
Payment Terms: T/T
Detail Information
Drilling Depth: 9000m Machine Type: Drilling Equipment
Usage: Well Drilling Machinery Model Number: 16inches-70inches
Size Of Cutters: 10inches-14inches Material: Carbon Steel
High Light:

Dia 355mm Drilling Hole Opener


6 HOB Drilling Hole Opener


355mm HOB Hole Opener

Product Description

Drilling Equipment Durable HOB Hole Opener Rock Reamer Bit



PANGOLIN hob rock hole opener ranging from 16" to 70" that is divided into two types: MT cutter and Welding cutter, and is apply to various compressive strenght of the formation. The procduct is used for zhe reaming of the oil, gas, petrochemical, sewage, power and fiber optic pipelines in the no-dig horizontal directional drilling.

Larger bearings and cutters can significantly extend downhole life compared to smaller traditional cutters. The replaceable milling cutter set has two styles of TCI and milling teeth to suit your structure. All drills have three tools in the body, which can open three different sizes of holes.




The unique multi-level anti-off interlock device prevents the hob from tripping when the drill bit is empty and the hob shell falling off when the bearing is damaged.

The hob wheel body is inlaid with large-diameter hard alloy, which has a good rock breaking effect; the bearing has a large diameter and strong impact resistance. Using metal seal, long service life.




The replaceable hob reamer is forged from high quality alloy steel with good weldability. After modulation treatment, the tensile strength is high, which can meet the tensile requirements of large-tonnage drilling rigs. The wheel body and the body are reliable in connection and easy to assemble and disassemble, no large-scale special hydraulic equipment is needed, and a manual wrench is sufficient, which is convenient for replacing the wheel body on site.



Product parameters


Model Number 16inches-70inches
Type Reamer
Machine Type Drilling Equipment
Material Carbon Steel
Usage Well Drilling Machinery
Drilling Depth 9000m
Rig Type HDD Rig
Size of Cutters 10inches-14inches
Trademark PANGOLIN
Processing Type Forging



Reamer Size

Hob size and # of Hob Threads
Hob size #of Hobs Hob size # of Hobs




4 1/2IF

5 1/2FH

6 5/8FH







22” 4    
26” 5





30” 5 4
34“ 6 5
38“ 7 5
42“ 7 6
46” 8 6
48” 9 7



Used in

Hob drill is to deal with all kinds of large diameter pile in hard rock formations and gravel stratum, solitary stone most effective tool, has unique properties, can greatly reduce the construction costs of the economic benefits.



Pic Show


Dia 355mm 6 HOB Drilling Hole Opener MT And Welding Cutter 0


Drill bit hole opener HDD drilling reamer positioning drilling tool 1


Pangolin (China) Construction Machinery Co., Ltd. is a drill manufacturer with complete testing equipment and strong technical force. Our products have a wide range, high quality, reasonable price, and timely delivery, which are widely used in oilfields, drilling, non-excavation fields and other industries. Our products are widely recognized and trusted by users, and can meet the ever-changing economic and social needs. To
We welcome new and old customers from all walks of life to contact us for future business relations and mutual success!


Drill bit hole opener HDD drilling reamer positioning drilling tool 2




Q: How to order the products?
A: Order directly!


Q: How to control the quality?
A: We should be checking & testing everyone drill bit before shipment.


Q: Do you agree sample order?
A: Yes, we are welcome your sample order to testing our quality.


Q: Can we select the color of the drill bit?
A: Yes, we have the color of bule, golden, silvery for your choose. If you need, we can make the drill bit color based on yours.


Q: Do you have after-sale service and warranty service?
A: Any quality or quantity problem once confirmed, we will be compensate you the same. Any question or problem we will be reply you within 24 hours.


Contact Details
Sophie Zhang

Phone Number : +86-13231687581

WhatsApp : +8613231687581