Directional HDD Rock Reamer 9 1/2" Tricone Drill Bit For Construction Bridge

Basic Information
Place of Origin: HeBei China
Brand Name: Pangolin
Price: Negotiation
Delivery Time: 5-15 work day
Payment Terms: T/T
Detail Information
Machine Type: Drilling Equipment Applicable Industries: Construction Works , Energy & Mining
Use: Well Drilling Application: HDD Reamer
Usage: Hole Drilling Advantage: High Performance Cost Ratio
High Light:

Directional HDD Rock Reamer


HDD Rock Reamer


9 1/2" Tricone Drill Bit

Product Description

Directional Drilling Hdd Rock Reamer For Construction Bridge

Hole Opener Foundation Pile for Directional Drilling Hdd Rock Reamer


Hole opener

Large-diameter assembled bit is widely used in construction, bridge, highway and railway construction. This series of bits are suitable to various kinds of strata including shale, limestone, cobblestone, dolomite and conglomerate.

1. Suitable for medium to medium hard formation of high Crushing Resistanc

(hard shale,sands,etc.)

2. Bit bearing is non-sealed roller bearing.

3. Hardfacing is applied on the shirttail,and carbide inserts for gage protection

are pressed into the head OD.

4. Cone gage surface is reinforce with carbide compacts.



1. Cutting Structure

In response to the characteristics that inserts in different areas on the cone have different cutting actions, conical inserts are placed in permanent contact area and wedge inserts are placed in alternative contact area so that the drilling efficiency is greatly improved. Wear resistance of cutting structure is enhanced by setting diamond inserts in the permanent contact area of the cone where inserts are severely worn. Tungsten carbide inserts are placed on cone top face to protect cone body from abrasive erosion.


2. Gauge Structure

With active cutting gauge protection inserts on bit body, the bit has good gauge protection and up drill capability.


3. Bearing Structure

High precision journal bearing. Balls lock the cone.Hardface heard bearing surface. Cone bearing inlaid with friction-reducing alloy. Abrasion resistance and seizure resistance of the bearing are improved. Compared with three cone bit, the leg bearing is bigger, so it can receive higher WOB and high reliability.


4. Hydraulic Design

Small angled watercourse design increased the shirttail thickness and can effectively prevent the watercourse erosion.Optirnized hydraulics structure improves the clearing capability and increases ROP.

Machine Type Drilling Equipment
Applicable Industries Construction works , Energy & Mining
Use Well Drilling
Application HDD reamer
Usage Hole Drilling
Advantage High Performance Cost Ratio



Reamer Size

Cone size and # of Cones Threads
Cone size #of Cones Cone size # of Cones
10“ 6 1/2” 3     NC23 NC26(2 3/8IF) D50 D80 NC31(2 7/8IF) NC38(3 1/2IF)
12“ 8 1/2” 3    





8 1/2”or 9 1/2”


For 8 1/2”-9 1/2” Cone:

NC23 NC26(2 3/8”IF) D50 D80 NC31(2 7/8”IF) NC38(3 1/2”IF)


For 12 1/4”-13 5/8” Cone:

4”IF 4 1/2IF 5 1/2FH 6 5/8FH

18”-20“ 5 12 1/4” 4
22”-24“ 6



12 1/4” or 13 5/8”

28”-30” 7 6
32”-34” 8 7
36“-38” 9 8
40“-42” 10 9
44“-46” 11 10
48”-50” 12-13 11


Directional HDD Rock Reamer 9 1/2" Tricone Drill Bit For Construction Bridge 0

Directional HDD Rock Reamer 9 1/2" Tricone Drill Bit For Construction Bridge 1


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




1. How to order the products?

Answer: 1.Order directly!

2. Do you agree sample order?

Answer: Yes, we are welcome your sample order to testing our quality.


3. How to control the quality?

Answer: We should be checking & testing everyone drill bit before shipment.

4. Can we select the color of the drill bit?

Answer: 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.

Contact Details
Sophie Zhang

Phone Number : +86-13231687581

WhatsApp : +8613231687581