ALFRA Rotabest™ RB 80 X
Electromagnetic Base Core Drill
Model: Prod.-No. 18781
ALFRA Rotabest™ RB 80 X metal cutting, magnetic base core drill is perfect for users who consistently use cutters over 2″ diameter. Variable height adjustment, a smooth start, 4-Speed gearbox, overload protection and emergency shutdown of the motor, indicated by LED sensor. With the use of a drill chuck adaptor, this unit can hold a drill bit with a maximum of 1-1/4″.
Technical Specifications
| Specification | Value |
|---|---|
| Max Ø of cutter | Ø 12 – 80 mm |
| Max cutting Depth | 50 mm |
| Material Thickness | 10 mm |
| Twist Drill Ø max | Ø 1.0 – 32.0 mm with DIN 338 |
| Countersinking | Yes |
| Tapping | up to M30 with reverse tapping attachment |
| Arbor | MT3 |
| Stroke | 190mm |
| Motor adjustable in height | 100mm |
| 4-speed gear box rpm with load | 1st gear: 110 rpm |
| 2nd gear: 175 rpm | |
| 3rd gear: 245 rpm | |
| 4th gear: 385 rpm | |
| Input | 1,800W |
| Voltage | 230V 50/60Hz |
| Tool Force (10mm) | 4,000 N |
| Magnet adhesion | 13,000 N |
| Size of magnet foot | 92 mm x 220 mm |
| Weight | 19.5 kgs. |
ALFRA delivers high-performance metalworking solutions engineered for precision and durability. Its Rotabest machines feature powerful high-torque motors, oil-bath gearboxes, and strong magnetic adhesion for stable and efficient drilling performance. ALFRA cutters are developed with over 35 years of manufacturing expertise, utilizing CNC technology, optimized cutting geometry, and specialized heat treatment for enhanced hardness and long tool life.
Motor Vehicle Industry
Metal Fabrication and Industrial Projects
Power Generation
Oil and Petrochemical Industry
Mining Industry
Shipyard
