ALFRA Rotabest™ RB 50 X
Electromagnetic Base Core Drill
Model: Prod.-No. 18751
ALFRA Rotabest™ RB 50 X metal cutting, magnetic base core drill has a variable height adjustment, smooth start, 2-Speed gearbox, overload protection and emergency motor shut-down, indicated by LED sensor. With the use of a drill chuck adaptor, this unit can hold a drill bit with a maximum of 5/8″.
Technical Specifications
| Specification | Value |
|---|---|
| Max Ø of cutter | Ø 12 – 50 mm |
| Max cutting Depth | 50 mm |
| Material thickness | minimum of 10 mm |
| Twist Drill Ø max | Ø 1.0 – 16.0 mm with DIN 338 |
| Countersinking | Yes |
| Tapping | M20 |
| Arbor | MT2 |
| Stroke | 190 mm |
| Motor adjustable in height | 100 mm |
| 2 speed gear box rpm with load | 1st gear: 250 rpm |
| 2nd gear: 450 rpm | |
| Input | 1,200 W |
| Voltage | 230 VAC 50/60 Hz / 110 VAC 50/60 Hz |
| Tool Force (10mm) | 3,500 N |
| Magnet adhesion: | 11,000 N |
| Size of magnet foot | 92 mm x 220 mm |
| Weight | 15.0 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
