{"product_id":"durston-d4-158mm-stacked-rolling-mill","title":"Durston 1052 Double D4 158mm Stacked Rolling Mill","description":"\u003cp\u003eThe Durston D4 158 mm Stacked Rolling Mill is a precision-engineered powerhouse for professional metalsmiths and jewelers who need extra width and power for heavy-duty rolling. Going beyond the D2 model, the D4 158 mm adds lower side rolls, a thicker output roll assembly, and a triple-stage gear reduction system — delivering both power and speed through dual turning levers for effortless rolling of large sheet and wire.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWide 158 mm (6-3\/16\") rollers for pattern rolling standard 6\" sheet metal\u003c\/li\u003e\n\u003cli\u003eTriple gear reduction with two handles for precision or speed control\u003c\/li\u003e\n\u003cli\u003eCombination rolls with 19 square wire grooves (10 mm – 1 mm)\u003c\/li\u003e\n\u003cli\u003eThree half-round grooves: 7 mm, 6 mm, and 5 mm\u003c\/li\u003e\n\u003cli\u003eSide extension rolls ranging 8 mm – 1.5 mm\u003c\/li\u003e\n\u003cli\u003eMaximum sheet capacity: 6 mm thick\u003c\/li\u003e\n\u003cli\u003eMaximum wire capacity: 10 mm\u003c\/li\u003e\n\u003cli\u003eDurable cast iron frame with precision-ground rolls\u003c\/li\u003e\n\u003cli\u003eDual handles provide both high-speed rolling and precision control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eDurston 1052 Double D4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoll Size\u003c\/th\u003e\n\u003ctd\u003e158 mm × 60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoller Type\u003c\/th\u003e\n\u003ctd\u003eCombination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSheet Thickness Capacity\u003c\/th\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Wire Capacity\u003c\/th\u003e\n\u003ctd\u003e10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Grooves\u003c\/th\u003e\n\u003ctd\u003e19 square grooves, 10 mm – 1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHalf-Round Groove Sizes\u003c\/th\u003e\n\u003ctd\u003e7 mm, 6 mm, 5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSide Extension Sizes\u003c\/th\u003e\n\u003ctd\u003e8 mm, 6 mm, 4 mm, 3 mm, 2 mm, 1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGear Ratios\u003c\/th\u003e\n\u003ctd\u003e2.5 : 1 | 5 : 1 | 11 : 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Dimensions\u003c\/th\u003e\n\u003ctd\u003e16-1\/2\" L × 8-3\/4\" W × 23-1\/2\" H (420 × 220 × 600 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e187 lbs (85 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eSuitable for non-ferrous metals including gold, silver, copper, and brass. Ideal for goldsmiths, silversmiths, and metal artists requiring broad, consistent sheet rolling or rapid rod and bar reduction. Built by Durston, trusted worldwide for quality and longevity.\u003c\/p\u003e","brand":"Durston","offers":[{"title":"Default Title","offer_id":43582273552598,"sku":"128.112","price":4838.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/durston-1052-double-d4-158mm-stacked-rolling-mill-otto-frei.jpg?v=1689354826","url":"https:\/\/www.ottofrei.com\/fr\/products\/durston-d4-158mm-stacked-rolling-mill","provider":"Otto Frei","version":"1.0","type":"link"}