Flott GB 50 MV is a professional pillar drilling machine, with speeds 54 / 75 / 109 / 169 / 237 / 344 / 507 / 712 / 1032 rpm, weight 795 kg. Krollit, official Flott distributor since 2007.
- Drilling capacity: 50 mm
- Tapping capacity: M36
- Spindle stroke: 230 mm
- Spindle-column distance: 400 mm
- Column diameter: 200 mm
- Work surface: 550 x 550 mm
Who uses the GB 50 MV and for what
Mechanical workshops and metal fabrication shops use the GB 50 MV for precision drilling on steel and cast iron, tapping with a tap holder, and repetitive work on various sized pieces.
Its place in the Flott range
The Flott GB 50 MV is part of the Flott pillar drilling machine range, distributed in Italy by Krollit since 2007. The Flott range includes models of various categories and performances: to choose the right machine for your use case, you can consult the Flott catalog on Krollit or contact customer support for selection assistance.
Krollit logistics and support
Machine shipping in 5-9 working days (7 days to Southern Italy). For spare parts and accessories, shipping in 3-5 working days from Krollit warehouse. Customer support in Italian available for technical documentation, product sheets, and spare parts order management. Krollit has been an official distributor since 2007.
Who is the GB 50 MV for
The GB 50 MV is recommended for the following professional profiles:
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Mechanical workshops and metal fabrication: precision drilling on steel and cast iron, tapping with a tap holder.
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Maintenance technicians and repair shops: repetitive drilling work on various sized pieces.
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Occasional hobby use: professional machine: for home use, consider compact bench models.
Processing Capacity
| Drilling Capacity |
50 mm |
| Spindle Stroke |
230 mm |
| Depth Indication |
Mechanical scale |
Spindle, Tools and Speed
| Spindle-column distance |
400 mm |
| Spindle-table distance |
50–850 mm |
| Spindle Taper |
MK IV |
| Spindle Speed |
54 / 75 / 109 / 169 / 237 / 344 / 507 / 712 / 1032 rpm |
Table, Dimensions and Geometry
| Column diameter |
200 mm |
| Work surface |
550 x 550 mm |
| Table adjustment |
Rack and pinion + swivel and tilting table |
| Weight |
795 kg |
| Machine dimensions |
600 x 1060 x 2450 mm |
| Packaging dimensions |
680 x 2600 x 1210 mm |
| T-slots |
3 slots – 16/28 mm – center distance 160 mm |
Other Specifications
| Tapping capacity |
M36 |
| Automatic feed |
0.1 – 0.2 – 0.3 – 0.4 mm/rev |
| Warranty |
12 months |
| Gear lubrication |
Automatic via oil pump |
| Motor |
Three-phase 400 V – 3 kW |
Frequently Asked Questions
What is the drilling capacity of the GB 50 MV?
See the "Drilling capacity" data in the machine's technical table.
The capacity refers to standard unhardened steel. On harder materials or alloyed steels, the actual capacity may be lower: reduce speed and feed to avoid stressing the spindle and tools.
How do you adjust the spindle speed?
Via mechanical gear or belt change in stepped models, via inverter or variator in Vario models.
Vario models allow continuous adjustment, while stepped models require moving the belt to different pulleys. Correct speed selection based on drill bit diameter and material extends tool life.
What spindle taper and tool types does it support?
See "Spindle Taper" in the technical table: typically MT 2, MT 3 or MT 4 depending on the model.
MT (Morse Taper) mounts are international standards and accessories (arbors, keyless chucks, reductions) are commonly available on the market. Krollit supplies original Bernardo accessories.
Does the drilling machine allow tapping with a tap holder?
Only models with standard right/left rotation allow tapping with automatic tap release.
Check the "Right/left rotation" or "Tapping" specification: drilling machines without mechanical reversal are not suitable for repetitive tapping.
What is the weight of the machine and what installation does it require?
The weight varies from approximately 25 kg (compact bench models) to over 250 kg (industrial Profi models).
Bench models are installed on a sturdy bench, while pillar or radial models require floor mounting with expansion anchors for stability during drilling.
