{"product_id":"mandrino-di-foratura-a-innesto-combinato-iso-40-40-mm","title":"Bernardo Machine Tool Accessory Combined Plug-In Drilling Chuck ISO 40 \/ 40 mm","description":"\u003cp\u003eBernardo ISO 40 \/ 40 mm Combined Plug-in Drilling Chuck is a machine tool accessory for professional use available on Krollit, official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHolder: Spindle diameter\u003c\/li\u003e\n\u003cli\u003eISO 40: 40 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the ISO 40 \/ 40 mm Combined Plug-in Drilling Chuck and for what\u003c\/h3\u003e\n\u003cp\u003eUsers who own a compatible machine install the ISO 40 \/ 40 mm Combined Plug-in Drilling Chuck as an original accessory to extend functionalities or replace worn components.\u003c\/p\u003e\n\u003ch3\u003eIts place in the Bernardo range\u003c\/h3\u003e\n\u003cp\u003eThe Bernardo ISO 40 \/ 40 mm Combined Plug-in Drilling Chuck is part of the Bernardo machine tool accessories range, 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 business days from Krollit warehouse for spare parts and accessories. Customer service 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 ISO 40 \/ 40 mm Combined Plug-in Drilling Chuck for\u003c\/h3\u003e\n\u003cp\u003eThe ISO 40 \/ 40 mm combined plug-in drilling chuck is recommended for the following professional profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsers who own a compatible machine\u003c\/strong\u003e: original accessory to extend the functionalities of the indicated machine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorkshops with specific setup requirements\u003c\/strong\u003e: component for particular machining operations or increased precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility with machines of other brands or models\u003c\/strong\u003e: verify machine model and specifications before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is an ISO 40 combined plug-in drilling chuck?\u003c\/summary\u003e\n\u003cp\u003eIt is a quick-change chuck that combines a drill holder and a coupling taper in a single body, mountable directly into the machine's nose.\u003c\/p\u003e\n\u003cp\u003eThe \"combined plug-in\" system eliminates the need for a separate tang, reducing the number of components and the risk of misalignment. Suitable for series production and quick drill bit changes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eOn which machine is it mounted?\u003c\/summary\u003e\n\u003cp\u003eIt mounts directly onto the spindle nose with an ISO 40 taper.\u003c\/p\u003e\n\u003cp\u003eMorse taper 2 (MT 2) is typical for bench drills, MT 3 for professional drills, MT 4 for industrial drills. ISO 30 and ISO 40 are tapers for precision bench milling machines.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is its drilling capacity? 40 mm\u003c\/summary\u003e\n\u003cp\u003eClamping capacity up to Ø 40 mm on the drill shank.\u003c\/p\u003e\n\u003cp\u003eThe capacity indicates the maximum diameter of the drill shank that the chuck can accommodate. For larger diameter holes, core drills or specific milling cutters are needed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs it key-tightened or keyless?\u003c\/summary\u003e\n\u003cp\u003eCombined plug-in chucks are tightened with the supplied spanner wrench, ensuring secure clamping for intensive use.\u003c\/p\u003e\n\u003cp\u003eKeyed tightening is more secure than keyless for operations with high torque or hard materials. The key must be kept near the machine and never left in the chuck when operating.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is it maintained?\u003c\/summary\u003e\n\u003cp\u003eRegular cleaning of the jaws after use, removal of chips and coolant, lubrication with specific chuck oil every 50-100 hours of use.\u003c\/p\u003e\n\u003cp\u003eA jaw that moves with difficulty indicates an accumulation of chips or oxidation. Disassemble the chuck, clean the sliding surfaces, and apply light oil. Replace the chuck if runout exceeds 0.1 mm.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":50726517866824,"sku":"26-1060","price":127.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/Mandrino-di-foratura-a-innesto-combinato-ISO-40-40-mm-extra-big-16071-397.jpg?v=1750422768","url":"https:\/\/www.krollit.com\/products\/chuck-di-drilling-a-innesto-combined-iso-40-40-mm","provider":"Krollit","version":"1.0","type":"link"}