Bernardo LS 20 Manual Punching Machine
Bernardo LS 20 Manual Punching Machine is backordered and will ship as soon as it is back in stock.
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Description
The Bernardo LS 20 is a manual punch press for professional use, with an 8 mm capacity, 160 mm throat, 3 – 20 mm holes, and a weight of 78 kg. Krollit, official Bernardo distributor since 2007.
- Machine type: Mechanical punch press
- Throat: 160 mm
- Hole diameter: 3 – 20 mm
- Max. material thickness: 8 mm
- Machine dimensions (L x W x H): 450 x 170 x 850 mm (with lever)
- Weight: 78 kg
Who uses the LS 20 and for what
Metal fabricators, blacksmiths, and electrical panel installers use the LS 20 for quick and precise creation of round and shaped holes in sheet metal, with a long lever to reduce operator effort.
Its place in the Bernardo range
The Bernardo LS 20 is part of the Bernardo range of manual punch presses, distributed in Italy by Krollit since 2007. The Bernardo range includes models of various categories and performance levels: to choose the right machine for your use case, you can consult the Bernardo 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 LS 20 for
The LS 20 is recommended for the following professional profiles:
- Metal fabricators, blacksmiths, and workshops: rapid and precise creation of round and shaped holes in sheet metal up to the stated thickness.
- Industrial maintenance technicians and electrical panel installers: repetitive drilling for cable passages, cable glands, connectors, and fans on panels.
Not suitable for: sheet metal beyond the nominal thickness (for greater thicknesses, consider hydraulic punch presses with higher punching force).
Technical specifications
| Machine type | Mechanical punch press |
| Throat | 160 mm |
| Hole diameter | 3 – 20 mm |
| Max. material thickness | 8 mm |
| Machine dimensions (L x W x H) | 450 x 170 x 850 mm (with lever) |
| Weight | 78 kg |
Frequently Asked Questions
What thickness and hole diameter can the LS 20 achieve?
See "Punching capacity" and "Hole diameter" in the technical table: typically 3 to 20 mm holes in sheet metal up to 8 mm.
Capacity refers to mild steel S235JR. For stainless steel and hardened steels, reduce the maximum thickness by 30-40%. For shaped holes or over Ø 20 mm, consider hydraulic punch presses.
Is punch and die changing quick?
Yes, professional Bernardo models (e.g., LS 20) have quick punch and die changes to increase productivity in series production.
For efficient production, it is advisable to keep the most commonly used punches in stock. Krollit supplies original Bernardo spare parts for all standard diameters.
Does it have a stop for series drilling?
Professional models are equipped with an adjustable stop for repetitive series drilling.
The stop provides repeatability of hole position on multiple pieces, reducing marking times and improving accuracy on modular components.
What is the useful throat capacity?
See "Throat" in the technical table: typically 160 mm for bench models, up to 300+ mm for industrial models.
The throat is the distance between the edge of the sheet metal and the punching point. A larger throat allows punching in the center of wide sheets.
Does it require fixed installation?
Bench models can be fixed to a robust workbench; industrial models require a dedicated base.
For intensive use, rigid fixing to a steel bench or floor is recommended. Krollit provides technical documentation for correct installation.
