R32 12Drill Bit Shank Rock Drilling Tools For Underground Mining 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 ... Lire la suite
CNC Milling Drill Standard Coupling R28 Thread System Rock Drilling Tools Description Standard coupling using R28 thread system • R25 thread system • Widely used in drifting and tunneling Color: Green or Based ... Lire la suite
Length 1.5m 3m Professonal Manufactuer from China for BQ Core Drilling Tubes geological steel pipe-entire length thermal treatment, NC lathe with former cutters Q series Rod parameter-geological steel pipe... Lire la suite
Products Description Tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Drillers choose tapered chisel bits if the goal is to minimize hole ... Lire la suite
Underground Mining Threaded Drill Coupling , T45 Dia 63mm Length 210mm In top hammer drilling, the shank adapter transmits impact energy from the piston to the rod(s) or tube(s). Additionally, rotation torque ... Lire la suite
diameter 89mm T38 button bit for granite hard rock drilling semi-ballistic Product Description Retrac button bits dvantages: 1.superior alloy steel and tungsten carbide. 2.Hot-pressed buttons insertion ... Lire la suite
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 ... Lire la suite
PDC Drill Bit for IADC Code G4456 HY / M422 with Gage of Smooth Design Description: • Short parabola crown profile • Ø16 & Ø19 cutters • Power of counterpoise design • Mixed cutter and decompression cutters ... Lire la suite
CNC Milling T51 Threaded Drill Rod Flushing Hole 21.5 mm Description Drill rod using T51 thread system. In good rock conditions it will produce straighter holes and at least 10% higher penetration rate compared ... Lire la suite
Surface Set Diamond Non-core Bit Non coring bits are produced on request and are available in surface set technology with concave profile. Concave profile guarantees a better control on hole staightness. These ... Lire la suite