{"product_id":"mandrino-a-3-ganasce-in-ghisa-dk11-100","title":"Bernardo 3-jaw cast iron lathe chuck DK11-100","description":"\u003cp\u003eThe Bernardo 3-jaw cast iron chuck DK11-100 is a professional-grade lathe chuck, weighing 3.2 kg. Krollit, official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eD - Chuck size: 100\u003c\/li\u003e\n\u003cli\u003eD1: 70 mm\u003c\/li\u003e\n\u003cli\u003eD2: 83 mm\u003c\/li\u003e\n\u003cli\u003eD3: 22 mm\u003c\/li\u003e\n\u003cli\u003eh: 74.5 mm\u003c\/li\u003e\n\u003cli\u003eH1: 55 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the DK11-100 3-jaw cast iron chuck and for what\u003c\/h3\u003e\n\u003cp\u003eMechanical workshops and artisan turners use the DK11-100 3-jaw cast iron chuck as a clamping accessory on metal lathes, ensuring secure clamping and centering of the workpiece during turning, drilling, and grooving operations.\u003c\/p\u003e\n\u003ch3\u003eIts place in the Bernardo range\u003c\/h3\u003e\n\u003cp\u003eThe Bernardo 3-jaw cast iron chuck DK11-100 is part of the Bernardo lathe chuck range, distributed in Italy by Krollit since 2007. The Bernardo range includes models of various categories and performances: to choose the machine suitable 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 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 DK11-100 3-jaw cast iron chuck for\u003c\/h3\u003e\n\u003cp\u003eThe DK11-100 3-jaw cast iron chuck is recommended for the following professional profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical workshops and artisan turners\u003c\/strong\u003e: secure clamping of round or hexagonal workpieces on metal lathes during turning, drilling, and grooving operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsers with a compatible flange Bernardo lathe\u003c\/strong\u003e: original replacement or upgrade for lathes in the Bernardo range (profi, hobby, etc.) with DIN 55029 compliant A2 mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIrregular or non-round workpieces\u003c\/strong\u003e: for non-symmetrically centered workpieces, consider 4-jaw independent chucks or universal platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1\u003c\/td\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e83 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3\u003c\/td\u003e\n\u003ctd\u003e22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh\u003c\/td\u003e\n\u003ctd\u003e74.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003ctd\u003e55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting screws\u003c\/td\u003e\n\u003ctd\u003e3 x M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD - Chuck size\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. speed\u003c\/td\u003e\n\u003ctd\u003e3500 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight approx.\u003c\/td\u003e\n\u003ctd\u003e3.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen to use a 3-jaw chuck?\u003c\/summary\u003e\n\u003cp\u003eSelf-centering 3-jaw chucks are for cylindrical, hexagonal, and 3-6-9-12 sided workpieces. The jaws move together with a single key (self-centering).\u003c\/p\u003e\n\u003cp\u003eIt is the most common chuck on lathes: quick clamping of symmetrical workpieces, typical concentricity precision of 0.03-0.1 mm depending on the body material (steel = better precision, cast iron = standard).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy a cast iron chuck?\u003c\/summary\u003e\n\u003cp\u003eCast iron chucks (DK Camlock or PS series) offer excellent thermal dissipation and a robust structure at a lower cost compared to steel.\u003c\/p\u003e\n\u003cp\u003eCast iron: typical concentricity precision 0.03-0.1 mm. The DK Camlock series has a quick-change mount, the PS is the basic model. High service life in standard machining operations.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat workpieces is the Ø 100 mm diameter suitable for?\u003c\/summary\u003e\n\u003cp\u003eSuitable for small workpieces (max Ø ~80 mm): hobby and precision lathes.\u003c\/p\u003e\n\u003cp\u003eThe nominal diameter of the chuck indicates the maximum size of the body, not that of the workable workpiece. The clamping capacity depends on the jaw opening (typically 60-70% of the nominal Ø).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I check compatibility with my lathe?\u003c\/summary\u003e\n\u003cp\u003eCheck the type of mounting on the lathe spindle nose (Camlock D3-D15, or threaded M-mount) and the corresponding diameter.\u003c\/p\u003e\n\u003cp\u003eOn modern lathes, Camlock mounting is the most common. Older lathes may have threaded (M-) or flanged mounting. The lathe's technical documentation indicates the exact type.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is the chuck's precision maintained?\u003c\/summary\u003e\n\u003cp\u003eRegular cleaning of the spiral mechanism, periodic lubrication with specific chuck grease, concentricity check every 6 months with a dial indicator.\u003c\/p\u003e\n\u003cp\u003eA jaw that moves with difficulty indicates chips or rust in the mechanism: disassemble, clean, and grease. Concentricity is checked by mounting a ground bar and measuring with a dial indicator: acceptable tolerance 0.03-0.1 mm depending on the model.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":50726450921800,"sku":"21-0751","price":167.22,"currency_code":"EUR","in_stock":true}],"url":"https:\/\/www.krollit.com\/products\/mandrino-a-3-ganasce-in-ghisa-dk11-100","provider":"Krollit","version":"1.0","type":"link"}