{"product_id":"testa-a-forare-di-precisione-diam-75-mm","title":"Bernardo Drilling Head Precision Boring Tool, diameter 75 mm","description":"\u003cp\u003eThe Bernardo boring head with 75 mm diameter for precision boring is a cutting tool for professional use, available from Krollit, an official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHead diameter 75 mm\u003c\/li\u003e\n\u003cli\u003eBoring bar diameter 18 mm\u003c\/li\u003e\n\u003cli\u003eFine adjustment 0.01 mm \/ Scale line\u003c\/li\u003e\n\u003cli\u003eBoring diameter 12 - 225 mm\u003c\/li\u003e\n\u003cli\u003eCross slide adjustment 25 mm\u003c\/li\u003e\n\u003cli\u003eHeight 80.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the 75 mm diameter precision boring head and for what\u003c\/h3\u003e\n\u003cp\u003eMechanical workshops and tool labs use the 75 mm diameter precision boring head for cutting, drilling, or sharpening operations on materials compatible with the tool's geometry.\u003c\/p\u003e\n\u003ch3\u003eIts place in the Bernardo range\u003c\/h3\u003e\n\u003cp\u003eThe Bernardo 75 mm diameter precision boring head is part of Bernardo's range of cutting tools, 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 assistance with selection.\u003c\/p\u003e\n\u003ch3\u003eKrollit Logistics and Support\u003c\/h3\u003e\n\u003cp\u003eShipping 3-5 business days from Krollit warehouse for spare parts and accessories. Customer support in Italian available for technical documentation and compatibility verification with the reference machine. Krollit has been an official distributor since 2007.\u003c\/p\u003e\n\u003ch3\u003eWho is the 75 mm diameter precision boring head for\u003c\/h3\u003e\n\u003cp\u003eThe 75 mm diameter precision boring head is recommended for the following professional profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical workshops and tool labs\u003c\/strong\u003e: cutting and sharpening operations on compatible materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsers with compatible machines\u003c\/strong\u003e: replacement part or original tool for the specified machine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOut-of-spec materials\u003c\/strong\u003e: check machinable material and tool geometry before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is this precision boring head used for?\u003c\/summary\u003e\n\u003cp\u003eIt is used with milling machines and machining centers for precision holes for the operations indicated in the product title.\u003c\/p\u003e\n\u003cp\u003eThe choice of the specific model depends on the diameter Ø 75 mm and adjustments, compatible with milling machines with standard tool holders.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat steel are they made of?\u003c\/summary\u003e\n\u003cp\u003eBernardo lathe tools are made of HSS (High Speed Steel) or Carbon Steel depending on the model indicated in the title.\u003c\/p\u003e\n\u003cp\u003eHSS resists temperatures up to 600 °C and is suitable for most woods and materials. Carbon Steel is cheaper but has a shorter lifespan, suitable for hobby use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow many pieces are in the set?\u003c\/summary\u003e\n\u003cp\u003eThe number of pieces is indicated in the title (e.g., \"5 pieces\", \"6 pieces\", \"8 pieces\"). Larger sets cover a wider range of machinable profiles.\u003c\/p\u003e\n\u003cp\u003eStarter sets (4-5 pieces) for beginners, professional sets (6-8 pieces) for complete machining with gouges, flat chisels, scrapers, and parting blades.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo they need to be sharpened periodically?\u003c\/summary\u003e\n\u003cp\u003eYes, lathe tools should be sharpened regularly to maintain a clean cut. The frequency depends on the intensity of use and the material being machined.\u003c\/p\u003e\n\u003cp\u003eFor HSS blades, sharpening is recommended every 8-15 hours of actual work. Krollit provides dedicated Bernardo sharpeners (BSG, DG series) to maintain the correct cutting edge angle.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow should they be stored correctly?\u003c\/summary\u003e\n\u003cp\u003eStore in a dedicated drawer or mat with individual protection, lightly oiled to prevent oxidation. Avoid contact between cutting edges.\u003c\/p\u003e\n\u003cp\u003eSurface oxidation reduces cutting quality and accelerates wear. Clean after each use and apply a protective film (machine oil or WD-40). Store in a dry place, away from heat sources.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":50728852980040,"sku":"25-1001","price":209.52,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/Testa-a-forare-di-precisione-diam-75-mm-extra-big-16050-616.jpg?v=1750442373","url":"https:\/\/www.krollit.com\/products\/testa-a-forare-precision-diam-75-mm","provider":"Krollit","version":"1.0","type":"link"}