ALFRA Rotabest® RB 100 RL-E
Magnetic Base Core Drill
Model: Prod.-No. 18634
ALFRA Rotabest® RB 100 RL-E is a metal cutting, magnetic-based core drill that is perfect for users who require heavy duty drilling or tapping. Includes: variable height adjustment, a smooth start, 4-Speed gearbox, overload protection and emergency shut-down of the motor, indicated by LED sensor.
Technical Specifications
| Specification | Value |
|---|---|
| Core Drill | Ø 12 - 100 mm |
| Cutting Depth | 50 / 110 mm |
| Material thickness: | minimum of 10 mm |
| Twist Drill | Ø 15 – 32mm MT3 |
| Countersinking | 10 - 55mm |
| Tapping | with tap collets up to M30 |
| With Tapping Attachment | up to M30 |
| Input | 2400 Watts |
| 4-speed gearbox | Right / Left |
| 1st speed | 50-110 rpm |
| 2nd speed | 75-175 rpm |
| 3rd speed | 105-245 rpm |
| 4th speed | 165 - 385 rpm |
| Arbor | MT3 |
| Stroke | 360 mm |
| Voltage | 230 VAC 50/60 Hz |
| Magnetic adhesion | 20,000 N |
| Magnet Foot | 80 x 230mm 30° adj left/right, 10 mm back/forwards |
| Type of Magnet | Rigid |
| Weight | 28.0 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.











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