Hard Rock 700mm Drilling Hole Opener 6 5/8FH For Horizontal Drill Rig

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
Machine Type: Drilling Equipment Model Number: 16inches-70inches
Drilling Depth: 9000m Size Of Cutters: 10inches-14inches
Material: Carbon Steel Usage: Well Drilling Machinery
High Light:

700mm Drilling Hole Opener


Hard Rock Hole Opener


Drilling Hole Opener 6 5/8FH

Product Description

700mm Horizontal Drill Rig Rock HOB Hole Opener For Hard



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.
The larger bearings and cutters dramatically extend the downhole life over smaller conventional-style cutters. The replaceable cutter sets are available in both TCI and Milled Tooth styles to match your formation. All bit's bodies have three-six cutters and can open three different hole sizes.




The body can be used many times, and it is convenient and quick to change the hob wheel. The hob wheel is divided into three types: A, B, and C, which can be adjusted to achieve different reaming diameters.
The hob wheel body is inlaid with a large diameter hard alloy, which has a good rock breaking effect; the bearing diameter is large, and the impact resistance is strong; the metal seal is used, and the service life is long.



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 for


The hob drill is the most effective tool for handling hard rock and gravel formations in various large-diameter piles, and boulders. It has unique performance and can greatly reduce the economic benefits of construction costs.





The replaceable hob reamer is forged from high-quality alloy steel with good weldability. After being modulated, the tensile strength is very high, which can meet the tensile requirements of large-tonnage drilling rigs. The wheel body is connected reliably to the wheel body, easy to disassemble and assemble, no large-scale special hydraulic equipment is required, only a manual wrench is required, which is convenient for on-site replacement of the wheel body.



Pic Show


Hard Rock 700mm Drilling Hole Opener 6 5/8FH For Horizontal Drill Rig 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