{"product_id":"bernardo-punzonatrice-manuale-ls-20","title":"Bernardo LS 20 Manual Punching Machine","description":"\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMachine type: Mechanical punch press\u003c\/li\u003e\n\u003cli\u003eThroat: 160 mm\u003c\/li\u003e\n\u003cli\u003eHole diameter: 3 – 20 mm\u003c\/li\u003e\n\u003cli\u003eMax. material thickness: 8 mm\u003c\/li\u003e\n\u003cli\u003eMachine dimensions (L x W x H): 450 x 170 x 850 mm (with lever)\u003c\/li\u003e\n\u003cli\u003eWeight: 78 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the LS 20 and for what\u003c\/h3\u003e\n\u003cp\u003eMetal 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.\u003c\/p\u003e\n\u003ch3\u003eIts place in the Bernardo range\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003ch3\u003eKrollit Logistics and Support\u003c\/h3\u003e\n\u003cp\u003eMachine 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.\u003c\/p\u003e\n\u003ch3\u003eWho is the LS 20 for\u003c\/h3\u003e\n\u003cp\u003eThe LS 20 is recommended for the following professional profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal fabricators, blacksmiths, and workshops\u003c\/strong\u003e: rapid and precise creation of round and shaped holes in sheet metal up to the stated thickness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial maintenance technicians and electrical panel installers\u003c\/strong\u003e: repetitive drilling for cable passages, cable glands, connectors, and fans on panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e sheet metal beyond the nominal thickness (for greater thicknesses, consider hydraulic punch presses with higher punching force).\u003c\/p\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMachine type\u003c\/td\u003e\n\u003ctd\u003eMechanical punch press\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat\u003c\/td\u003e\n\u003ctd\u003e160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHole diameter\u003c\/td\u003e\n\u003ctd\u003e3 – 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. material thickness\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMachine dimensions (L x W x H)\u003c\/td\u003e\n\u003ctd\u003e450 x 170 x 850 mm (with lever)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e78 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thickness and hole diameter can the LS 20 achieve?\u003c\/summary\u003e\n\u003cp\u003eSee \"Punching capacity\" and \"Hole diameter\" in the technical table: typically 3 to 20 mm holes in sheet metal up to 8 mm.\u003c\/p\u003e\n\u003cp\u003eCapacity 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.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs punch and die changing quick?\u003c\/summary\u003e\n\u003cp\u003eYes, professional Bernardo models (e.g., LS 20) have quick punch and die changes to increase productivity in series production.\u003c\/p\u003e\n\u003cp\u003eFor efficient production, it is advisable to keep the most commonly used punches in stock. Krollit supplies original Bernardo spare parts for all standard diameters.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it have a stop for series drilling?\u003c\/summary\u003e\n\u003cp\u003eProfessional models are equipped with an adjustable stop for repetitive series drilling.\u003c\/p\u003e\n\u003cp\u003eThe stop provides repeatability of hole position on multiple pieces, reducing marking times and improving accuracy on modular components.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the useful throat capacity?\u003c\/summary\u003e\n\u003cp\u003eSee \"Throat\" in the technical table: typically 160 mm for bench models, up to 300+ mm for industrial models.\u003c\/p\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it require fixed installation?\u003c\/summary\u003e\n\u003cp\u003eBench models can be fixed to a robust workbench; industrial models require a dedicated base.\u003c\/p\u003e\n\u003cp\u003eFor intensive use, rigid fixing to a steel bench or floor is recommended. Krollit provides technical documentation for correct installation.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":52334520303944,"sku":"06-1589","price":490.18,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/Progettosenzatitolo-2026-02-13T172224.122.png?v=1770999775","url":"https:\/\/www.krollit.com\/products\/bernardo-punzonatrice-manual-ls-20","provider":"Krollit","version":"1.0","type":"link"}