{"product_id":"bernardo-multibor-db21-400v","title":"Bernardo Multibor DB 21 Multiple Drilling and Slot Mortising Machine","description":"\u003cp\u003eThe Bernardo Multibor DB 21 multiple boring machine is a professional mortising machine with a 50 mm capacity, 1.5 kW motor, and a weight of 370 kg. Krollit, official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNumber of spindles: 21\u003c\/li\u003e\n\u003cli\u003eDistance between spindles: 32 mm\u003c\/li\u003e\n\u003cli\u003eDistance first\/last spindle: 640 mm\u003c\/li\u003e\n\u003cli\u003eMax drilling depth: 50 mm\u003c\/li\u003e\n\u003cli\u003eTable dimensions: 870 x 560 mm\u003c\/li\u003e\n\u003cli\u003eSpindle speed: 2800 rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the Multibor DB 21 multiple boring machine and for what purpose\u003c\/h3\u003e\n\u003cp\u003eProfessional carpentry workshops and furniture factories use the Multibor DB 21 multiple boring machine for creating mortises for tenon joints on doors, windows, and furniture, with precise joints on rails and stiles.\u003c\/p\u003e\n\u003ch3\u003eIts place in the Bernardo range\u003c\/h3\u003e\n\u003cp\u003eThe Bernardo Multibor DB 21 multiple boring machine is part of the Bernardo mortising machine range, 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 business days (7 days to Southern Italy). For spare parts and accessories, shipping in 3-5 business 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 Multibor DB 21 multiple boring machine for?\u003c\/h3\u003e\n\u003cp\u003eThe Multibor DB 21 multiple boring machine is recommended for the following professional profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional carpentry workshops and furniture factories\u003c\/strong\u003e: creating mortises for tenon joints on doors, windows, and furniture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindow and door manufacturers\u003c\/strong\u003e: working on rails and stiles with precise joints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e mortising on metal or plastic (machine dedicated to wood: different processes are needed for other materials).\u003c\/p\u003e\n\u003ch3\u003eTable, dimensions, and geometry\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTable dimensions\u003c\/td\u003e\n\u003ctd\u003e870 x 560 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\u003e1100 (3000*) x 1130 x 1300 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e370 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMotor and power supply\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor power\u003c\/td\u003e\n\u003ctd\u003e1.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e400 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir pressure\u003c\/td\u003e\n\u003ctd\u003e6 – 8 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOther specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of spindles\u003c\/td\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistance between spindles\u003c\/td\u003e\n\u003ctd\u003e32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNote\u003c\/td\u003e\n\u003ctd\u003e*With optional aluminum guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax drilling depth\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistance first\/last spindle\u003c\/td\u003e\n\u003ctd\u003e640 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle speed\u003c\/td\u003e\n\u003ctd\u003e2800 rpm\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 can the Multibor DB 21 multiple boring machine work with?\u003c\/summary\u003e\n\u003cp\u003eIt creates rectangular mortises for tenon-mortise joints on solid wood, plywood, and wood-based panels.\u003c\/p\u003e\n\u003cp\u003eBernardo HM square chisel mortising machines allow for the direct creation of right-angle mortises, without the need for manual finishing. Typical applications: door and window frames, chairs, furniture, and structural assemblies.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat chisel sizes does it support?\u003c\/summary\u003e\n\u003cp\u003eTypically chisels from 6 to 25 mm in width. Check the technical table for \"drilling capacity\" or \"mortise capacity\".\u003c\/p\u003e\n\u003cp\u003eBernardo HM chisels are dedicated accessories with a cylindrical shank and a hardened hollow tip. Krollit supplies original spare parts compatible with the HM 12, HM 25, and HM 30 series.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the head tiltable or rotatable?\u003c\/summary\u003e\n\u003cp\u003eDepends on the model: HM 25 has a 180° rotatable head, HM 25 TOP has a ±22.5° left\/right tiltable head.\u003c\/p\u003e\n\u003cp\u003eThe rotatable head allows working on large pieces such as doors and frames from the back. The tiltable head allows for angled mortises for mitered assemblies.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat power supply does it require?\u003c\/summary\u003e\n\u003cp\u003eHM 12, HM 25, and HM 30 models are equipped with a 0.75 kW single-phase 230 V motor. See \"Voltage\" in the technical table.\u003c\/p\u003e\n\u003cp\u003eThe single-phase power supply makes these mortising machines usable even in workshops without a three-phase line. The machine still requires dedicated residual current protection.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much does the machine weigh?\u003c\/summary\u003e\n\u003cp\u003eSee the \"Weight\" data in the technical table. Typically 100 kg (HM 25) or 110 kg (HM 25 TOP).\u003c\/p\u003e\n\u003cp\u003eThe high cast iron mass provides rigidity during mortising, reducing vibrations and improving precision. For handling and installation, a hydraulic trolley or the help of a second operator is recommended.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":50725663965512,"sku":"10-1030","price":4260.14,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/Bernardo_Multibor_DB_21_Foratrice_multipla_21_mandrini.jpg?v=1757753824","url":"https:\/\/www.krollit.com\/products\/bernardo-multibor-db21-400v","provider":"Krollit","version":"1.0","type":"link"}