Drill Bit Concentric Overburden Drilling System with Rings

Product Details
Customization: Available
Customized: Customized
Length: Request
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Plant Area
>2000 square meters
Management System Certification
ISO 9001, ISO 14001
  • Drill Bit Concentric Overburden Drilling System with Rings
  • Drill Bit Concentric Overburden Drilling System with Rings
  • Drill Bit Concentric Overburden Drilling System with Rings
  • Drill Bit Concentric Overburden Drilling System with Rings
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  • Overview
  • Product Description
  • Product Parameters
  • Detailed Photos
  • Feature
  • Related product
  • Company Profile
Overview

Basic Info.

Model NO.
GL360-194-219
Material
Tungsten Carbide
Usage
Well Drilling, Mining
Inserts Design
Spherical; Ballistic; Parabolic
Use
Well Drilling,Coal Mining,Quarry Drilling
Product Name
Casing System
Face Design
Flat;Convex;Concave
Package
Wooden Box or as Customers Inquire
Casing Od.
219mm
Casing Shoe Min ID
115mm
Transport Package
Wooden Case
Specification
Forging
Trademark
Glorytek
Origin
Beijing, China
Production Capacity
2000 Pieces Per Month

Product Description

Product Description
A.Drill in overburden unstable rock
B.One step to drill and follow casing
C.Flexible to open or close
 
Drill Bit Concentric Overburden Drilling System with Rings
Drill Bit Concentric Overburden Drilling System with Rings
Drill Bit Concentric Overburden Drilling System with Rings
 

Drill Bit Concentric Overburden Drilling System With Rings
Overburden drilling systems are widely used in a variety of applications from well drilling and minipilling to rock anchoring and site investigation. 
This is easily removed to allow for bit are sharpening or replacement. It is the most economical solutions because its ingenious reaming wing the bit is retrievable can be used at the next hole.

>>The casing shoe is welded to the casing. 
>>The pilot bit and ring bit are locked together by the bayonet coupling. They drill a hole large enough to allow the casing to be pulled into the hole. 
>>The pilot bit and ring bit rotate with the drill string while the casing shoe and casing do not rotate. 
>>When required depth is reached, the pilot bit is unlocked by a slight reverse rotation of the drill string. 
>>The drill string and pilot bit will be retrieved through the casing, the ring bits and casing shoe will be left in the hole for permanent casing system.
 
Product Parameters
 
Type Casing OD (mm) Casing Min ID (mm) Reaming Diameter (mm) Casing Shoe Min ID (mm) Pilot Bit Max OD (mm) DTH Hammer
GL70A-70-89 89 77 98 71 70 GL70A
GL90-85-108 108 94 112 86 85 GL90/GL90-I
GL335-85-108 108 94 114 88 86 GL335
GL335-90-114 114 98 127 91 90 GL335
GL335-100-127 127 114 136 101 100 GL335
GL110-120-146 146 130 156 121 120 GL110
GL4.5-120-146 146 130 156 121 120 GL4.5
GL340-120-146 146 130 156 121 120 GL340
GL350-140-168 168 152 180 142 140 GL350/355/355K
GL350-145-178 178 160 183 146 145 GL350/355/355K
GL350-150-183 183 165 190 152 150 GL350/355/355K
GL360-186-219 219 194 240 187 186 GL360
GL360-194-219 219 194 240 195 194 GL360
GL360-203-219 219 203 240 206 203 GL360
GL380-203-219 219 205 240 206 203 GL380
GL380-203-245 245 232 266 206 203 GL380
GL380-241-273 273 260 305 244 241 GL380
Code annotation of casing reamer bit as bellow
Example: GL350-140-168
GL350(Equal to DHD350)=Hammer type, 140= Pilot Bit Max OD (mm), 168=O.D of casing pipe(mm)
Detailed Photos

 



Drill Bit Concentric Overburden Drilling System with Rings

Feature
 

• Complete types of drilling tools suitable for casing tubes with various diameters;
• Good stability and reliability granted by premium alloy steel material;
• Cost-effectiveness realized by mass production.

Related product

-Middle-low/high air pressure DTH hammers & bits
-Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling.
-Eccentric overburden drilling system
-Hole opener bit
-Shank adapter, coupling sleeves and all kinds of adapters

 

Company Profile

 

Drill Bit Concentric Overburden Drilling System with Rings

Glorytek Industry (Beijing)Co.,Ltd.,

Located in Beijing,China, is an integrated corporation specialized in manufacturing and exporting top quality drilling equipment and drilling parts for decades. We are supported and assisted by a highly experienced team of designers and engineers that enable us to complete all the assigned projects successfully as per the specified requirement from our clients.
 
Our products are widely used in the scope of mining, water well drilling and exploration, anchor grouting project, side slope protection engineering, oil and gas engineering,underwater rock drilling & blasting operations of seaport channel, hydropower project, national defense projects ect.

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