{"product_id":"mandrino-a-pinza-25-mm","title":"25mm collet chuck","description":"\u003cp\u003eCollet chuck Ø 25 mm for Bernardo UWS 300 \/ UWS 350 universal sharpener — for precise clamping of tools with a 25 mm shank during sharpening. Austrian production by Bernardo. Krollit has been an official distributor in Italy since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool diameter:\u003c\/strong\u003e 25 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e UWS 300 \/ UWS 350\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Precise clamping of tools with 25 mm shank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTool shank diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible with\u003c\/td\u003e\n\u003ctd\u003eUWS 300 \/ UWS 350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eLogistics\u003c\/h3\u003e\n\u003cp\u003eOriginal spare parts available with 3–5 working day shipping. Customer support available in Italian.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eThe 25 mm collet chuck — for which tools is it used on the UWS 300\/350?\u003c\/summary\u003e\n\u003cp\u003eThe 25 mm collet chuck accepts tools with exactly 25 mm shanks: end mills with 25 mm shanks, drill bits with 25 mm reduced shanks, reamers and taps for sharpening. The collet chuck ensures superior concentricity compared to a standard self-centering chuck — crucial for sharpening where a centering error of 0.1 mm results in an asymmetrical cutting edge. Customer support available in Italian.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this chuck interchangeable with collet chucks from other manufacturers?\u003c\/summary\u003e\n\u003cp\u003eBernardo UWS series chucks have a specific machine connection — not interchangeable with generic ER chucks or collets from other manufacturers. Only purchase original Bernardo sizes compatible with your UWS 300 or UWS 350. Customer support available in Italian.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDelivery times?\u003c\/summary\u003e\n\u003cp\u003eOriginal spare parts available with 3–5 working day shipping. Customer support available in Italian.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":50716101280072,"sku":"05-136765","price":36.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/Mandrino-per-smerigliatrici-1_cdd93509-cd36-4cb5-8138-f60e9f579b40.jpg?v=1750296992","url":"https:\/\/www.krollit.com\/products\/mandrino-a-pinza-25-mm","provider":"Krollit","version":"1.0","type":"link"}