tunnel pre support drilling bit

Brand Name:HLDRILL

Place of Origin:Liaocheng , Shandong , China

...89mm forepoling steel pipes, featuring premium tungsten carbide inserts designed for soft stratum tunnel advance support operations. Product Specifications Component Specification Outer ring drill diameter 71mm Tungsten carbide inserts for ring bit Two

Brand Name:MIROC

Model Number:152MM T51

Place of Origin:China

...Bit 152MM T51 For Mining And Tunnel Hard Rock Drill Bits Detailed Product Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in combination with a pilot adapter. • Widely used in drifting and tunneling...

Brand Name:SUVEC

Model Number:tapered drill button bit

Place of Origin:China

... service life, better powder exhausting and easier bit back, which combine well anti-wear and anti-impact carbide butttons and high-performance steel together. Our Tapered Drill Bits are produced by the most advanced production lines in China to make Top

Place of Origin:Hebei,China

... for tunnel excavation. Meanwhile, due to its high stability and low noise characteristics, the three cone drill bit can also reduce interference and damage to the surrounding environment during tunnel excavation. PRODUCT SPECIFICATIONS product name 10 5/8

Brand Name:SupAnchor

Model Number:R32/D51mm, R32/D76mm, R32/D90mm...

Place of Origin:Sichuan, China

...drilling anchor system is a bolting solution for difficult ground and rock conditions. The drill bits are suitable for various conditions, such as tunnel pre-support, soil nailing, slope stabilization, building foundation. It's easy installation. Different drill bits for kinds of rock formations, including cross-cut drill bit, button drill bit, tungsten carbide cross-cut drill bit, tungsten carbide button drill bit...

Brand Name:MIRCO

Model Number:T38 Button bits

Place of Origin:China

...Drill Bits Ballistic Button Drill Bit Set For Mining Tunneling Hard Rock Drill bits The hard rock drill bit is mainly used for blasting hole excavation of open pit rock drilling, underground mining, tunnelling and other infrastructure projects. The connection mode is mainly T-threaded connection and R-threaded connection. The top hammer hydraulic rock drilling rods equipped with drilling rigs and open-air drilling...

Brand Name:ROSCHEN

Model Number:AQ, BQ, NQ, HQ, PQ/ BQ3, NQ2, NQ3, NQTT, HQ3, HQTT, PQ3, PQTT, T2 46, T2 56, T2 66, T2 76, T2 86, T2 101

Place of Origin:Germany

...Drill Bits For Dam / Tunnel / Bridge High Speed Concrete Core Drill Bits , Diamond Core Hole Drill Bits High Speed Concrete Core Drill Bits , Diamond Core Hole Drill Bits drilling for reinforoced concrete, dam, tunnel High Speed Concrete Core Drill Bits , Diamond Core Hole Drill Bits drilling for reinforoced concrete, dam, tunnel, bridge Detailed Product Description High Speed Concrete Core Drill Bits...

Brand Name:HZJX

Model Number:3 3/4 "(95.3mm)~26"(660.4mm)

Place of Origin:China

... quarring and underground drilling. Main Features 1) High quality; 2) High resistance; 3) High footage speed; 4) Very low breakage; 5) Very low percentage of carbide falling off. 6)Wide application range. Pre-Sales Service * Inquiry and consulting support.

Brand Name:JCDRILLS

Model Number:11°

Place of Origin:Hebei,China

...tunnel bench drilling Button Drill Bit used with hand held rock drills Application Tapered Quarry Button Rock Drill Bits 40mm 41mm 45mm With higher strength of tungsten carbide as the body, the bit has good anti-erosive and the increased the toughness. With premium PDC cutters, the bit has enhanced reliability and drilling...

Place of Origin:China

Brand Name:Super Diamond

...Drilling Tools , Small Rock Drill Bits For Tunneling / Quarrying The Drill Bits are made from grade hard alloy and special steel, generally matched with the light-duty rock drill. The drill tools are used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc. Product Name: rock drilling button bits Description: rock drilling button bits

Brand Name:MING

Model Number:MDHM4-110mm

Place of Origin:CHINA

... DTH button bit description: High air pressure drill bits are a crucial tool in various industries, known for their efficiency, durability, and versatility. These drill bits are designed to withstand high pressure environments, making them ideal for

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:OED/OEM

Model Number:7 degree/11°/12°/4°

Place of Origin:China

... Quarring And Underground Drilling. Product Name: Cross Drill Bits For Granite Types Tapered Chisel Bits, Tapered Cross Bits, Tapered Button Bits Application:: Tapered Drill Bits Are Used In Granite And Marble Quarry, Gold Mine, Railway, Tunnel, Etc. For

Brand Name:Star Diamong

Model Number:26mm

Place of Origin:Guilin China

... characteristic of our company's drill bits is to use the company's self-developed S series patented PDC as cutting teeth, fast speed is the outstanding feature of the product. Specifications: ...

Brand Name:OEM

Model Number:customized

Place of Origin:Zhuzhou City, Hunan Province, China

...serving for mining, construction and tunneling etc. Drill Bit Diameter (mm) Tip Size (W * H ) (mm) Taper Angle * Inner Diameter Front Gauge 32 8*6.5 7° * 22mm 11° * 22mm ...

Brand Name:New Diamond

Model Number:Tungsten carbide Top Hammer Drill Bits

Place of Origin:Hunan, China (Mainland)

...) and large section tunnel advance in metal mine. 2. New Diamond can make all kinds of threaded drill bits, that include R25, R28, R32, R35, R38, T38, T45, T51,ST58, GT60, ST68 and so on, and the head diameter range from ...

Place of Origin:Hebei,China

... exploration holes, and grouting holes in coal seams, water conservancy and hydropower, dam and tunnel construction. Bit Size 8 1/2'' IADC Code M423 Blade 5 Cutter Size 16mm13mm Cutter Qty 16*30;138 Nozzle Qty ...

Brand Name:OEM

Place of Origin:CHINA

...drill bits for mining Drill bits are widely used in tunneling, mining, construction, stonework, transportation facility construction etc. For rocks with hardness F=15-18 Class, GL is suitable; for rocks with hardness F=12-15 Class, GA is suitable; for rocks with hardness F=10-12 Class, GB is the suitable. Specification Application Tunneling...