ALFRA Rotabest™ RB 50 SP

Description

ALFRA Rotabest™ RB50SP metal cutting, permanent magnet base drill is revolutionizing the industry. Our rare earth magnet, in conjunction with our LED sensor ensures the safety of the user. Even if the power is cut, our magnet will stay actuated. Our three level notification sensor system notifies the user when the machine is close to lift off and will shut the motor down if lift-off is achieved. In addition, it offers variable height adjustment, a smooth start and overload protection. With the use of a drill chuck adaptor, this unit can hold a drill bit with a maximum of 1/2″.

Specifications

Product information

Technical Specifications

Specification	Value
Max Ø of cutter	Ø 12 - 50 mm
Max cutting Depth	50 mm
Material Thickness	minimum of 3 mm
Twist Drill Ø max	Ø 1.0 – 20.0 mm DIN 1897 Short
Counterbore	Ø 10 - 40 mm
Tapping	M3 – M20
Arbor	MT2
Stroke	80 mm
Height Adjustment	80 mm
2-speed Gearbox on-load speed:	1st speed: 250 rpm
	2nd speed: 450 rpm
Input	1,200W
Voltage	230V 50/60Hz
Tool Force (10mm)	2,300 N
Size of magnet foot	72 mm x 190 mm
Weight	11.5 kgs.

About brand

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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