{"product_id":"trapani-a-ingranaggi-da-banco-e-a-colonna-gb-28-s","title":"Bernardo pillar drill with gears GB 28 S","description":"\u003cp\u003eThe Bernardo GB 28 S geared drill press is a professional-grade pillar drill with 12 speeds from 75 – 3200 rpm and a weight of 215 kg. Krollit, official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMax. drilling capacity: 28 mm\u003c\/li\u003e\n\u003cli\u003eMax. threading: M12\u003c\/li\u003e\n\u003cli\u003eDrill chuck: 1 – 13 mm \/ B 16\u003c\/li\u003e\n\u003cli\u003eMorse taper: MK 3\u003c\/li\u003e\n\u003cli\u003eSpindle speeds: (12) 75 – 3200 rpm\u003c\/li\u003e\n\u003cli\u003eArm length: 250 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the GB 28 S geared drill press and for what\u003c\/h3\u003e\n\u003cp\u003eMechanical workshops and metalworking shops use the GB 28 S geared drill press for precision drilling on steel and cast iron, threading with taps, and repetitive work on parts of various sizes.\u003c\/p\u003e\n\u003ch3\u003eIts place in the Bernardo range\u003c\/h3\u003e\n\u003cp\u003eThe Bernardo GB 28 S geared drill press is part of Bernardo's range of pillar drills, 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 for Southern Italy). For spare parts and accessories, shipping in 3-5 business days from Krollit warehouse. Italian-speaking customer support 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 GB 28 S geared drill press for?\u003c\/h3\u003e\n\u003cp\u003eThe GB 28 S geared drill press is recommended for the following professional profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical workshops and metalworking shops\u003c\/strong\u003e: precision drilling on steel and cast iron, threading with taps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance personnel and repair shops\u003c\/strong\u003e: repetitive drilling work on parts of various sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOccasional hobby use\u003c\/strong\u003e: professional machine: for home use, consider compact benchtop models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpindle, tools, and speed\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrill chuck\u003c\/td\u003e\n\u003ctd\u003e1 – 13 mm \/ B 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMorse taper\u003c\/td\u003e\n\u003ctd\u003eMK 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle speeds\u003c\/td\u003e\n\u003ctd\u003e(12) 75 – 3200 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. spindle \/ table distance\u003c\/td\u003e\n\u003ctd\u003e810 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle \/ base plate distance\u003c\/td\u003e\n\u003ctd\u003e1210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTable, dimensions, and geometry\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eArm length\u003c\/td\u003e\n\u003ctd\u003e250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColumn diameter\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase plate working surface\u003c\/td\u003e\n\u003ctd\u003e325 x 330 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTable size \/ T-slot dimensions\u003c\/td\u003e\n\u003ctd\u003e375 x 375 mm \/ 14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. weight\u003c\/td\u003e\n\u003ctd\u003e215 kg\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\u003eMax. threading\u003c\/td\u003e\n\u003ctd\u003eM12\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 600 x 2020 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. drilling capacity\u003c\/td\u003e\n\u003ctd\u003e28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle stroke\u003c\/td\u003e\n\u003ctd\u003e130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor input power S1 100%\u003c\/td\u003e\n\u003ctd\u003e0.85 \/ 1.1 kW (400 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor output power S6 40%\u003c\/td\u003e\n\u003ctd\u003e1.1 \/ 1.5 kW (400 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eStandard equipment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Precision: High-quality ball bearings provide high spindle concentricity, ensuring high-precision results.\u003c\/li\u003e\n\u003cli\u003eGeared drill chuck 1 – 13 mm \/ B 16\u003c\/li\u003e\n\u003cli\u003eDrill arbor MK 3 \/ B 16\u003c\/li\u003e\n\u003cli\u003eHeight-adjustable protective cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the drilling capacity of the GB 28 S geared drill press?\u003c\/summary\u003e\n\u003cp\u003eSee the \"Drilling capacity\" data in the machine's technical table.\u003c\/p\u003e\n\u003cp\u003eThe capacity refers to standard unhardened steel. On harder materials or alloy steels, the actual capacity may be lower: reduce speed and feed to avoid stressing the spindle and tools.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is the spindle speed adjusted?\u003c\/summary\u003e\n\u003cp\u003eVia mechanical belt or gear change in stepped models, via inverter or variator in Vario models.\u003c\/p\u003e\n\u003cp\u003eVario models allow continuous adjustment, while stepped models require moving the belt to different pulleys. Correct speed selection based on drill diameter and material extends tool life.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat spindle taper and type of tools does it support?\u003c\/summary\u003e\n\u003cp\u003eSee \"Spindle taper\" in the technical table: typically MT 2, MT 3 or MT 4 depending on the model.\u003c\/p\u003e\n\u003cp\u003eMT (Morse Taper) connections are international standards and accessories (arbors, keyless chucks, reductions) are commonly available on the market. Krollit supplies original Bernardo accessories.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the drill allow tapping?\u003c\/summary\u003e\n\u003cp\u003eOnly models with standard right\/left rotation allow tapping with automatic tap release.\u003c\/p\u003e\n\u003cp\u003eCheck the \"Right\/left rotation\" or \"Tapping\" specification: drills without mechanical reversal are not suitable for repetitive tapping.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the weight of the machine and what installation does it require?\u003c\/summary\u003e\n\u003cp\u003eWeight varies from approximately 25 kg (compact benchtop models) to over 250 kg (industrial Profi models).\u003c\/p\u003e\n\u003cp\u003eBenchtop models are installed on a sturdy workbench, while pillar or radial models require floor mounting with expansion anchors for stability during drilling.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":50729112666440,"sku":"01-1245","price":3036.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/Progetto-senza-titolo-2024-03-29T153141.770.png?v=1750445073","url":"https:\/\/www.krollit.com\/products\/drills-a-ingranaggi-benchtop-e-pillar-gb-28-s","provider":"Krollit","version":"1.0","type":"link"}