OPREMA RAVNE Rock Drills have been designed  on mining  experience base, using latest design tools. Morever, they were  manufactured  upon best  metalurgy  and production standards.

High -  tec  introduced in Rock Drilling program offers

-          best performance / weight ratio (LIGHT SERIES DESIGN)

-          low noise and vibration level

-          highest safety levels (ATEX, CE certification)

-          excellent durability and short pay off period

-          individual Model and Configuration choice (based on ''LEGO'' princip-minimizing spares stock)

Short introduction for best choice of our MFD 90 LIGHT (26-27 kg) Rock Drill

1.)     Three models awailable (for best penetration rate)

-          MFD 90                      with stroke 45 mm (more rotation for softer ground conditions)

-          MFD 90 MAX             with stroke60 mm ( higher impact energy, less rotation)

-          MFD 90 MAX PLUS  with stroke60 mm & heavy piston ( for very tough stones & deep bores)

2.)     Several left or right hand operated configurations (for operators choice)

-          MFD 90 DI, DIL – used with Independent  controll DI Air Leg, different  angle drilling

-          MFD 90 C , CL -  used with Centralized air leg control on R. Drill handle, different angle drilling

-          MFD 90 SI,       -  used as SInker handheld R. Drill with antivibration handle, downwards drilling

-          MFD 90 ST      -   used as SToper air leg R. Drill for vertical upwards drilling (Alimak method,..)

-          MFD 90 Q        -   used as Quarry R.Drill mounted on (slide frame of) drill tower

Every model is awailable in all configuration  (least 3 x 5= 15 options)

Every option is awailable aswater flushed or dry, with hexagonal 22 (or 25)x 108 mm shank size

All MAX and MAX PLUS options are awailble also  as right direction rotated (for bolt fixation)

All MAX and MAX PLUS options are awailable with  PS polymer silenced cyl. Housing (safe in Methane

atmosphere-ATEX, second stage super silenced)


Rock Drills from 20 – 23 kg weight class are VK 20  and VK 23 .

VK 23 allows water flushing or air blowing of the bore, shank S22 or S25 size as airleg DI or handheld

SI configuration.

VK 20 is mostly used for small, short term drilling operation of handheld drilling downwards.

For all handheld drilling methods we have single (push)  antivibration SInker  handles .

For drilling with air legs, clients can choose double (push/pull) antivibration handles, to avoid

vibration while pulling Drill out of bore.



Single stage DI Legs  with  independent valve on leg for DI(L), SI(L) R.Drills

                      C   Legs without valve – operated from C, CL Rock Drill handle

                     ST   Legs without valve- operated from ST Rock Drill (remote) controll valve

Single stage  fully retractable Air Legs are  used if there is enough space for driling (extension/retraction). Can be steel covered for coal mines use with ATEX.

In different stroke (800,1000,1300 mm) awailable

Double telescopic (DT,DTC,DTS) air legs with advantage of long extension /retraction for use in very low roof mines or one push long holes.



Can be chosen from our product list based on requirements .

For price lists , delivery terms and other tecnical support contact our sales department 

 looking forward to start ''best choice'' collaboration with you we remain with Best regards,

Our Web site uses cookies. More about cookies. 

I agree