{"product_id":"fresa-a-corona-vario-hss-plus-kbl-14-18-22-prof-foratura-55-mm","title":"Bernardo Hole Saw Cutter Vario HSS PLUS KBL, 14\/18\/22, drilling depth 55 mm","description":"\u003cp\u003eBernardo core drill Vario HSS PLUS KBL, 14\/18\/22, drilling depth 55 mm is a professional cutting tool available from Krollit, an official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWith Weldon shank 19 mm\u003c\/li\u003e\n\u003cli\u003eHigh-speed steel\u003c\/li\u003e\n\u003cli\u003eHard-coated\u003c\/li\u003e\n\u003cli\u003eHigh wear protection\u003c\/li\u003e\n\u003cli\u003eExcellent chip removal\u003c\/li\u003e\n\u003cli\u003eDrilling depth 50 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the core drill Vario HSS PLUS KBL, 14\/18\/22, drilling depth 55 mm and for what\u003c\/h3\u003e\n\u003cp\u003eMechanical workshops and tool laboratories use the core drill Vario HSS PLUS KBL, 14\/18\/22, drilling depth 55 mm 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 core drill Vario HSS PLUS KBL, 14\/18\/22, drilling depth 55 mm is part of the Bernardo cutting tool range, distributed in Italy by Krollit since 2007. The Bernardo range includes models of various categories and performance: to choose the right machine for your use case, you can consult the Bernardo catalog on Krollit or contact customer support for assistance in 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 core drill Vario HSS PLUS KBL, 14\/18\/22, drilling depth 55 mm for\u003c\/h3\u003e\n\u003cp\u003eThe core drill Vario HSS PLUS KBL, 14\/18\/22, drilling depth 55 mm 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 a compatible machine\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: verify 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 a core drill used for?\u003c\/summary\u003e\n\u003cp\u003eIt makes large diameter holes in sheet metal and metal, removing only the outer ring and leaving a central core.\u003c\/p\u003e\n\u003cp\u003eCore drills are much more efficient than traditional drill bits on large diameters: they remove only the necessary material, reduce drill effort, and produce cleaner holes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat steel is it made of?\u003c\/summary\u003e\n\u003cp\u003eIn HSS (High Speed Steel), high-speed steel for most mild steels, aluminum, and standard ferrous materials.\u003c\/p\u003e\n\u003cp\u003eHSS resists temperatures up to 600 °C without losing sharpness. For hardened materials or series production, consider HSS-Co or carbide-tipped versions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich machine is it mounted on?\u003c\/summary\u003e\n\u003cp\u003eIt is mounted on magnetic drills (core drills) and milling machines with standard Weldon or TCT shank.\u003c\/p\u003e\n\u003cp\u003eMagnetic drills are the most common choice for core drills, thanks to strong magnetic adhesion and controlled feed. Check the type of shank before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat drilling depth does it reach?\u003c\/summary\u003e\n\u003cp\u003eBernardo core drills are available with a depth of 30 mm (short version) or 55 mm (long version, KBL\/CDL).\u003c\/p\u003e\n\u003cp\u003eFor thicknesses up to 30 mm, the short version is optimal (more rigid). For thicknesses 30-55 mm, the long version is needed. Thicker materials require custom drills.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is it lubricated during processing?\u003c\/summary\u003e\n\u003cp\u003eUse cutting oil or cooling emulsion applied directly to the cutting point. Coolant reduces heat and extends useful life.\u003c\/p\u003e\n\u003cp\u003eOn hard steels or high thicknesses, lubrication is essential: without coolant, the drill overheats, loses sharpness, and can break prematurely. Recommended cutting speed: 20-30 m\/min on mild steel.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":50725792973128,"sku":"41-1113","price":277.44,"currency_code":"EUR","in_stock":true}],"url":"https:\/\/www.krollit.com\/products\/fresa-a-corona-vario-hss-plus-kbl-14-18-22-prof-foratura-55-mm","provider":"Krollit","version":"1.0","type":"link"}