tunneling overburden drilling system bits

Brand Name:MING

Model Number:MRING273-DHD380

Place of Origin:CHINA

... MRING tunneling casing drilling ring bit are designed to use ring bit which is not connected to casing shoe. Special profile DTH Bit passes through enough large inner diameter of ring bit. MRING tunneling casing drilling ring bit technical parameters:

Place of Origin:China

Brand Name:Super Diamond

Model Number:DHD,QL,Mission,SD

Down The Hole Water Well Drilling Overburden Drilling DTH Bit Advantages: 1. High quality raw material, with premium hardened procedures for long life. 2. Full production chain to secure stable and prompt production leadtime. 3. Experienced senior ...

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:MTH

Model Number:T38

Place of Origin:CHINA

...Drill Button Bits for Bench and Tunnel Long Hole Drilling Production: The thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks. Besides, we can design customized thread button drill bits according to different drilling...

Brand Name:JCDRILL

Model Number:All Models

Place of Origin:China (Mainland)

...Tunneling Rock Drill Thread Button Bit Spherical Ballistic Carbide Shape JCDRILL Thread Button Drill Bit Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks. Besides, we can design customized thread button drill bits...

Brand Name:SUVEC

Model Number:R32

Place of Origin:China

... drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks. Besides, we can design customized thread button drill bits according to different drilling application, and custom drill bits are

Brand Name:SHITAN

Model Number:ST

Place of Origin:HEBEI CHINA

... efficiency,longer service life,better powder-discharge,better wear-resistance and impact-resistance,easier bit-back performance etc.,widely used in metal mine,quarry,tunneling,hydro-electrical engineering and so on. Features A.Independently researched and

Brand Name:SupAnchor

Model Number:T76/D130mm, T76/D150mm, T76/D175mm, T76/D200mm

Place of Origin:Sichuan, China

... ®has achieved the security application of 30,000,000 meters self-drilling anchor bar in the world. Rock drill bits can be used under any rock drilling condition, it's hardly impacted by the model of drill rig and the rock performance. Cross bit and

Brand Name:Epiroc

Model Number:COP 1838

... rock drill for tunnel excavation and tunneling operations Product feature of Epiroc Rock Drills The efficient hydraulic double buffering system and floating bit tail improve the production capacity of drill and the economy of drilling tools Powerful...