{"product_id":"set-fresa-a-corona-hm-14-22-mm-profondita-di-foratura-35-mm","title":"Bernardo HM Holesaw Set, 14 - 22 mm, drilling depth 35 mm","description":"\u003cp\u003eBernardo HM core drill set, 14 - 22 mm, 35 mm drilling depth is a professional cutting tool available at Krollit, official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWith Weldon shank 19 mm\u003c\/li\u003e\n\u003cli\u003eMade of carbide\u003c\/li\u003e\n\u003cli\u003eHigh wear protection\u003c\/li\u003e\n\u003cli\u003eExcellent chip removal\u003c\/li\u003e\n\u003cli\u003eDrilling depth 35 mm\u003c\/li\u003e\n\u003cli\u003e1 pc. each 14 \/ 16 \/ 18 \/ 20 \/ 22 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the HM core drill set, 14 - 22 mm, 35 mm drilling depth and for what purpose\u003c\/h3\u003e\n\u003cp\u003eMechanical workshops and tool laboratories use the HM core drill set, 14 - 22 mm, 35 mm drilling depth 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\u003eBernardo HM core drill set, 14 - 22 mm, 35 mm drilling depth 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 performances: 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 working 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 HM core drill set, 14 - 22 mm, 35 mm drilling depth for\u003c\/h3\u003e\n\u003cp\u003eThe HM core drill set, 14 - 22 mm, 35 mm drilling depth is recommended for the following professional profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical workshops and tool laboratories\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 or original tool for the indicated machine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOut-of-spec materials\u003c\/strong\u003e: check workable 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 core drill set used for?\u003c\/summary\u003e\n\u003cp\u003eIt is used with magnetic drills for large diameter holes in steel for the operations indicated in the product title.\u003c\/p\u003e\n\u003cp\u003eThe choice of the specific model depends on the material (HSS, HM, HSSCo5), coating (tin CDL\/CDS, NACO), diameter range (14-22 mm or 14-24 mm) and drilling depth (35 mm). Compatible with magnetic drills with Weldon or TCT shank.\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 blades 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 does the set contain?\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 workable profiles.\u003c\/p\u003e\n\u003cp\u003eStarter sets (4-5 pieces) for beginners, professional sets (6-8 pieces) for complete work 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 blades need to be sharpened regularly to maintain a clean cut. The frequency depends on the intensity of use and the material being worked.\u003c\/p\u003e\n\u003cp\u003eFor HSS blades, sharpening is recommended every 8-15 hours of actual work. Krollit supplies 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":50728332820808,"sku":"41-1106","price":178.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/41-1106_1.jpg?v=1750437468","url":"https:\/\/www.krollit.com\/products\/set-milling-cutter-a-corona-hm-14-22-mm-profondita-di-drilling-35-mm","provider":"Krollit","version":"1.0","type":"link"}