{"product_id":"set-coltelli-da-taglio-inferiori-per-ha-220-x-6","title":"Bernardo Cutting Tool Set of lower cutting knives for HA 220 x 6","description":"\u003cp\u003eBernardo HA 220 x 6 Lower Cutter Knife Set is a professional cutting tool available on Krollit, an official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVendor: Bernardo\u003c\/li\u003e\n\u003cli\u003eModel: HA 220 x 6 Lower Cutter Knife Set\u003c\/li\u003e\n\u003cli\u003eOfficial Bernardo distributor since 2007\u003c\/li\u003e\n\u003cli\u003eShipping from Krollit warehouse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the HA 220 x 6 Lower Cutter Knife Set and for what\u003c\/h3\u003e\n\u003cp\u003eMechanical workshops and tool shops use the HA 220 x 6 Lower Cutter Knife Set 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 HA 220 x 6 Lower Cutter Knife Set 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 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\u003eShipping within 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 HA 220 x 6 Lower Cutter Knife Set for?\u003c\/h3\u003e\n\u003cp\u003eThe HA 220 x 6 lower cutter knife set is recommended for the following professional profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical workshops and tool shops\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 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 does the lower blade of the HA 220 do?\u003c\/summary\u003e\n\u003cp\u003eThe lower blade is fixed to the work surface and supports the sheet metal during cutting, opposing the moving upper blade.\u003c\/p\u003e\n\u003cp\u003eWear is symmetrical with the upper blade, but the lower blade tends to deform under the weight of the sheet metal during intensive processing. Replace both simultaneously to standardize cutting pressure.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does the HA 220 process?\u003c\/summary\u003e\n\u003cp\u003eIt is a manual angle punching machine for angles up to 220 x 220 mm. Greater angle processing capacity compared to the HA 200.\u003c\/p\u003e\n\u003cp\u003eSuitable for metal fabrication shops for series production. Regular knife replacement maintains cutting quality on angle profiles.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre the blades made of hardened steel?\u003c\/summary\u003e\n\u003cp\u003eYes, Bernardo blades are made of high-quality hardened and ground steel.\u003c\/p\u003e\n\u003cp\u003eHeat treatment increases surface hardness (typically 58-62 HRC) and resistance to deformation, even when cutting alloyed steels or thick aluminum.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen should knives be replaced for intensive use?\u003c\/summary\u003e\n\u003cp\u003eFor continuous use (8 hours\/day), a review every 6 months and preventive replacement every 12-18 months are recommended.\u003c\/p\u003e\n\u003cp\u003eWear indicators: cutting with burrs, sheet edge deformation, altered cutting noise, excessive effort during operation. Keep a spare set in stock.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is manual replacement performed?\u003c\/summary\u003e\n\u003cp\u003eFor manual shears and notchers, replacement can be performed by the operator: removing fixing screws, disassembling the old knife, mounting the new one with the correct tightening torque.\u003c\/p\u003e\n\u003cp\u003eImportant: observe the tightening torque indicated in the manual (typically 30-60 Nm). Insufficient tightening causes the knife to move, excessive tightening risks cracking it. Krollit provides technical documentation.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":50715526824264,"sku":"06-6037","price":634.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/Set-coltelli-da-taglio-inferiori-per-HA-220-x-6-extra-big-14775-629.jpg?v=1750290066","url":"https:\/\/www.krollit.com\/products\/set-coltelli-da-taglio-inferiori-per-ha-220-x-6","provider":"Krollit","version":"1.0","type":"link"}