{"product_id":"mandrino-di-precisione-a-4-griffe-po4-400","title":"PO4-400 4-Jaw Precision Chuck","description":"\u003ch3\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan\u003ePerformance:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpindle with four precision rotating jaws\u003c\/li\u003e\n\u003cli\u003eWith centering according to DIN 6350\u003c\/li\u003e\n\u003cli\u003eSteel version for higher speeds and longer life\u003c\/li\u003e\n\u003cli\u003eIncludes 1 set of rotating and drilling jaws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan\u003eField of application:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for lathes and grinders\u003c\/li\u003e\n\u003cli\u003eFor use on machines with higher concentricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan\u003eStandard accessories:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 set of IJ-PS rotating jaws\u003c\/li\u003e\n\u003cli\u003e1 set of OJ-PS drilling jaws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"col col-md-6\"\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"table-responsive table table-detail\"\u003e\n\u003ctable border=\"0\" cellspacing=\"0\" cellpadding=\"0\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eSpindle size A\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003e400\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eB\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003e108 mm\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eC\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003e5 mm\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eD\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003e330 mm\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eE\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003e136 mm\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eF\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003e362 mm\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eG\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003eM16\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eH\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003e145 mm\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eJ\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003e55 mm\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eMax. speed\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003e2000 rpm\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"145\"\u003e\u003cp\u003eWeight approx.\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"97\"\u003e\u003cp\u003e85 kg\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch3\u003eLogistics\u003c\/h3\u003e\n\u003cp\u003eOriginal spare parts available with 3–5 business day shipping. Customer support in Italian available.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003ePO4 4-jaw chuck Ø 400 mm — when to choose it over the PO3 3-jaw chuck?\u003c\/summary\u003e\n\u003cp\u003eThe PO4 4-jaw chuck is necessary for: square, rectangular, asymmetrical or irregular workpieces that cannot be centered with the 3 jaws of the PO3. The 4 jaws adjust independently — each jaw moves separately to adapt to any shape. Centering takes more time (3–5 minutes with dial indicator) compared to the self-centering PO3, but the achievable precision is higher: \u003c0.01 mm with dial indicator. The PO3 is faster; the PO4 is more versatile.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eStandard DIN 6350 connection — how is the chuck mounted?\u003c\/summary\u003e\n\u003cp\u003eThe DIN 6350 bolted flange connection is mounted by tightening the fastening screws evenly in a cross pattern. It takes 5–10 minutes to mount. The angular position is fixed — the chuck should not be removed frequently with this connection.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eThe included jaws — can they be reversed for external gripping?\u003c\/summary\u003e\n\u003cp\u003eThe included kit contains rotating jaws (external gripping) and drilling jaws (internal gripping). For gripping thick workpieces from the inside, drilling jaws are used; for standard external gripping, rotating jaws are used. The PO4 jaws are not reversible — they are replaced with the appropriate type depending on the operation. Customer support in Italian available.\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 business day shipping. Customer support in Italian available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":50726530613576,"sku":"21-2014F","price":3018.79,"currency_code":"EUR","in_stock":true}],"url":"https:\/\/www.krollit.com\/products\/chuck-precision-a-4-jaws-po4-400","provider":"Krollit","version":"1.0","type":"link"}