mining overburden drilling system bit

Brand Name:MING

Model Number:MRING273-DHD380

Place of Origin:CHINA

Product name: 273mm MRING tunneling casing drilling ring bit for 8 inch DTH hammer Product category: Concentric casing drilling system Matched hammer: Hammer DHD380 Matched casing pipe OD: 273mm MRING tunneling casing drilling ring bit are designed to use ...

Brand Name:ROSCHEN

Model Number:70 mm - 400 mm

Place of Origin:China

Overburden Drill Bit overburden drilling system 70mm - 400mm OD The Stratex Drill System The Stratex Drill System (SDS) is an overburden drilling system designed for conditions where a cased hole is required. Collapsing holes tend to make overburden drilling expensive, with lost drilling equipment and down time. In cooperation with drillers and drilling...

Brand Name:SOLLROC

Model Number:Symmetrix Overburden Drilling System

Place of Origin:China

... ground conditions. The driver bit incorporated with a sacrificial ring or reusable ring makes a full face head design which significantly improves the penetration rate and hole straightness of drilling. The internal flushing grooves together with the

Brand Name:MIROC

Model Number:Overburden Drill Bit

Place of Origin:Shangdong,China

... overburden with casing. Symmetric can drill straight holes at any angle (including horizontal) and to depths beyond 100 meters. Working together as one efficient drill bit, the components are made up of: A pilot bit with large internal flushing holes and

Brand Name:MIROC

Model Number:Symmetric casing system with reamer

Place of Origin:CHINA

... central pilot bit drills away the center part of the hole and guides the drill string, incorporated with a sacrificable symetrical ring bit make a full face drill bit. Advantages of Symmetric Drilling Sound drilling straightness and fast drilling speed.

Brand Name:New Diamond

Model Number:Eccentric Overburden Drilling Equipment

Place of Origin:Hunan, China (Mainland)

...be used at the next hole.This is particularly design for shallow holes, as is often the case in water well drilling, geothermal wells and for shallow micro-piling work. Eccentric casing drilling system is ideal for short holes in consolidated overburden.

Model Number:HD35

Place of Origin:China

Brand Name:Super Diamond

...designed to advance casing during drilling. Once a desired depth is reached they eccentric bit can be retrieved leaving the casing in place for sampling or installations. Overburden Casing Drilling System DTH Bit is very popular in international water well

Brand Name:Jinquan

Model Number:DHD340A, DHD350R, DHD360, DHD380; Cop32, Cop34, Cop44, Cop54, Cop64, Cop84; Mission 40, Mission 50 , Mission 60, Mission80; SD4, SD5, SD6, SD8; TD40, QL50, QL60, QL80; BR2, BR3.

Place of Origin:China

DTH hammers & DTH button bits: CIR65, CIR80, CIR90, CIR110... BR2, BR3... Mach33... DHD3.5, DHD340, DHD350R, DHD360, DHD380, DHD1120... COP32, COP34, COP44, COP54, COP64, COP84... QL40, Q50, QL60, QL80, QL120... Mission40, Mission 50, Mission 60... SD4, ...

Brand Name:JCDRILL

Model Number:All Models

Place of Origin:China (Mainland)

...Drilling Tools Concentric Overburden Casing Bit Hole Drlling JCDRILL DTH Over Burden Concentric Bits Description The eccentric reamer drill is an overburden drilling system designed for conditions where a cased hole is required. Collapsing holes tend to make overburden drilling expensive, with lost drilling equipment and down time. The eccentric designed bit rotates outward and drills...

Brand Name:Pangolin

Place of Origin:HeBei China

...Bits DTH Hole Opener Bits Tricone Hole Opener With Large Range Size Introduction Large hole high pressure down-the-hole hammer is used for water well, oil, natural gas and construction drilling Eccentric overburden drilling equipment DTH hammer drill bit manufacturer DTH drill bit...

Brand Name:Glorytek

Model Number:GL380-259-250

Place of Origin:China

Overburden casing system ​Product Description The Concentric Casing System with Sliding Blocks is a versatile drilling tool designed for efficient borehole construction. This system features a concentric arrangement of casings along with sliding blocks tha...

Brand Name:JWE

Model Number:JK10.2T

Place of Origin:MADE IN CHINA

... Cemented Tungsten Carbide Buttons are widely used in manufacture of low air pressure DTH bits, High air pressure DTH bits, eccentric overburden drill tools, threaded connection bits, button bits, external thread button bits, pipe bits, DTH drill tools,

Brand Name:Aoxing

Model Number:AW, BW, NW, HW, HWT, PW

Place of Origin:Hebei,China

...Bit for Geological Core Drilling Aw, Bw, Nw, Hw, Pw Product Description Impregnated Casing Shoe Bit For Geological Drilling AW,BW,NW,HW,HWT,PW The casing and rod shoes are threaded to the end of the outer drill string for penetration through overburden. It assists in seating the outer drill string into the bedrock, providing a tight seal for the drilling...

Brand Name:JYXC

Model Number:API

Place of Origin:HeBei China

Eccentric Bit Eccentric bit is often introduced with DTH hammer, guide device and casing to form an overburden drilling system. Advantages: Simple structure & operation Reliable quality Retrievable drilling tools Long service life.

Brand Name:Pangolin

Place of Origin:HeBei China

... Equipment DTH hammer drill bit manufacturer DTH drill bit is made of the highest quality aircraft alloy steel. The most commonly used methods for expanding the size of pilot holes are blast hole drilling, quarrying, down-the-hole drilling, water well