{"product_id":"durston-molly-c165-combination-rolling-mill-50-1-gearbox","title":"Durston 1037 Molly C165 Rolling Mill With 50-1 Reduction Gear - 128.177","description":"\u003ch2\u003eDurston 1037 Molly C165 Rolling Mill With 50-1 Reduction Gear - 128.177\u003c\/h2\u003e\n\u003cp\u003eThe Durston Molly C165 is a professional combination rolling mill featuring the brand's patent-pending \u003cstrong\u003e50:1 reduction gearbox\u003c\/strong\u003e—delivering exceptionally light turning effort and a wider rolling area than the Olivia model. Designed for studios that demand effortless operation and generous flat rolling capacity, the Molly C165 combines a front-mounted turning wheel, induction-hardened rolls, and a highly calibrated adjustment wheel into a solid single-cast body built for precision and durability.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e50:1 reduction gearbox (patent pending)\u003c\/strong\u003e – 50 handwheel turns equal 1 roll revolution for exceptionally light rolling effort\u003c\/li\u003e\n\u003cli\u003eFront-mounted turning wheel operates comfortably \u003cstrong\u003estanding or sitting\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInduction-hardened rolls\u003c\/strong\u003e for long-lasting, consistent performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly calibrated adjustment wheel\u003c\/strong\u003e for precise, repeatable gap settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombination mill\u003c\/strong\u003e – handles flat sheet metal and square wire in a single unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e110 mm flat rolling area\u003c\/strong\u003e on the main roll for wider sheet work\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11 square wire grooves\u003c\/strong\u003e on the main roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide extension\u003c\/strong\u003e with 4 half-round grooves (4, 3, 2, and 1.5 mm)\u003c\/li\u003e\n\u003cli\u003eSolid single-cast body construction for rigidity and stability\u003c\/li\u003e\n\u003cli\u003eLarger footprint than the Olivia model; does \u003cem\u003enot\u003c\/em\u003e fit the Durston Rolling Mill Stand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-cly1{text-align:left;vertical-align:middle}\n.tg .tg-wa1i{font-weight:bold;text-align:center;vertical-align:middle}\n\u003c\/style\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-wa1i\"\u003eModel\u003c\/th\u003e\n\u003cth class=\"tg-cly1\"\u003eMolly C165\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eGear Ratio\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e50:1 (patent pending)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eRoll Diameter\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eRoll Width\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e165 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eFlat Rolling Area\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eWire Grooves\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e11 square grooves (main roll)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eSide Extensions\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eHalf-round grooves: 4, 3, 2, 1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eSheet Thickness Capacity\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eOverall Dimensions\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e20-3\/4\" L × 8-3\/4\" W × 21-1\/4\" H (530 × 220 × 540 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e165 lb (75 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1vt3piw\" data-start=\"27\" data-end=\"263\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"75\"\u003eMaximum-Capacity Professional Rolling Mill\u003c\/strong\u003e\u003cbr data-start=\"75\" data-end=\"78\"\u003eThe Durston Molly C165 is a heavy-duty combination rolling mill designed for \u003cstrong data-start=\"157\" data-end=\"198\"\u003elarge-scale sheet and wire production\u003c\/strong\u003e, offering a wide 165mm roll and exceptional workshop efficiency.\u003c\/li\u003e\n\u003cli data-section-id=\"1knfpxu\" data-start=\"265\" data-end=\"534\"\u003e\n\u003cstrong data-start=\"267\" data-end=\"308\"\u003eUltra-Easy 50:1 Reduction Gear System\u003c\/strong\u003e\u003cbr data-start=\"308\" data-end=\"311\"\u003eFeatures Durston’s advanced 50:1 gearbox, dramatically reducing hand effort while maintaining smooth, controlled rolling—making it one of the easiest high-capacity mills to operate. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1i2pv9g\" data-start=\"536\" data-end=\"790\"\u003e\n\u003cstrong data-start=\"538\" data-end=\"588\"\u003eWide 165mm Working Width with Strong Flat Area\u003c\/strong\u003e\u003cbr data-start=\"588\" data-end=\"591\"\u003eProvides a \u003cstrong data-start=\"604\" data-end=\"631\"\u003e110mm flat rolling zone\u003c\/strong\u003e plus full combination capability, ideal for larger sheets, pattern work, and production-grade jewellery manufacturing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1movbtj\" data-start=\"792\" data-end=\"1033\"\u003e\n\u003cstrong data-start=\"794\" data-end=\"828\"\u003eFull Combination Functionality\u003c\/strong\u003e\u003cbr data-start=\"828\" data-end=\"831\"\u003eIncludes \u003cstrong data-start=\"842\" data-end=\"868\"\u003e11 square wire grooves\u003c\/strong\u003e and \u003cstrong data-start=\"873\" data-end=\"919\"\u003e4 half-round extension grooves (4mm–1.5mm)\u003c\/strong\u003e, enabling sheet reduction, wire forming, and profile work in one machine. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"uojxoe\" data-start=\"1035\" data-end=\"1219\"\u003e\n\u003cstrong data-start=\"1037\" data-end=\"1074\"\u003eBuilt for Production Environments\u003c\/strong\u003e\u003cbr data-start=\"1074\" data-end=\"1077\"\u003eHeavy cast construction with induction-hardened rolls ensures long-term durability, stability, and consistent pressure under continuous use.\u003c\/li\u003e\n\u003cli data-section-id=\"1gmo4l\" data-start=\"1221\" data-end=\"1427\"\u003e\n\u003cstrong data-start=\"1223\" data-end=\"1265\"\u003eErgonomic Standing or Seated Operation\u003c\/strong\u003e\u003cbr data-start=\"1265\" data-end=\"1268\"\u003eFront wheel design allows comfortable use whether seated or standing, improving workflow flexibility in busy studios. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"uigndc\" data-start=\"1429\" data-end=\"1583\"\u003e\n\u003cstrong data-start=\"1431\" data-end=\"1463\"\u003eHigh Output Efficiency Focus\u003c\/strong\u003e\u003cbr data-start=\"1463\" data-end=\"1466\"\u003eDesigned for jewellers who need \u003cstrong data-start=\"1500\" data-end=\"1560\"\u003espeed, reduced physical strain, and repeatable precision\u003c\/strong\u003e when working at scale.\u003c\/li\u003e\n\u003cli data-section-id=\"1q6o2n6\" data-start=\"1585\" data-end=\"1760\"\u003e\n\u003cstrong data-start=\"1587\" data-end=\"1619\"\u003eStudio-Grade Investment Tool\u003c\/strong\u003e\u003cbr data-start=\"1619\" data-end=\"1622\"\u003eBest suited for professional workshops, manufacturing setups, and high-volume goldsmithing where throughput and consistency matter most.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-(--header-height)\" dir=\"auto\" data-turn-id=\"91a4c0a8-30cd-428f-be23-bd0fb310f00d\" data-testid=\"conversation-turn-57\" data-scroll-anchor=\"false\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:d75dca6f-7f39-4fd1-8222-1b98f2f52963-28\" data-testid=\"conversation-turn-58\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8587ece8-07f5-4a3f-a1fa-273b07f2402f\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"324\"\u003e\u003cstrong data-start=\"0\" data-end=\"66\"\u003eQ: What is the Durston 1037 Molly C165 Rolling Mill (128.177)?\u003c\/strong\u003e\u003cbr data-start=\"66\" data-end=\"69\"\u003eA: It is a professional \u003cstrong data-start=\"93\" data-end=\"137\"\u003ehigh-end manual combination rolling mill\u003c\/strong\u003e designed for jewelry makers, featuring a \u003cstrong data-start=\"179\" data-end=\"210\"\u003ewide 165mm rolling capacity\u003c\/strong\u003e and an advanced \u003cstrong data-start=\"227\" data-end=\"283\"\u003e50:1 reduction gearbox for extremely light operation\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"326\" data-end=\"517\"\u003e\u003cstrong data-start=\"326\" data-end=\"353\"\u003eQ: What is it used for?\u003c\/strong\u003e\u003cbr data-start=\"353\" data-end=\"356\"\u003eA: It is used for \u003cstrong data-start=\"374\" data-end=\"450\"\u003ereducing sheet metal thickness, rolling wire, and forming metal profiles\u003c\/strong\u003e, commonly in goldsmithing, silversmithing, and jewelry production.\u003cstrong data-start=\"519\" data-end=\"565\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"947\" data-end=\"1231\"\u003e\u003cstrong data-start=\"947\" data-end=\"1006\"\u003eQ: What makes it different from standard rolling mills?\u003c\/strong\u003e\u003cbr data-start=\"1006\" data-end=\"1009\"\u003eA: It uses a \u003cstrong data-start=\"1022\" data-end=\"1048\"\u003e50:1 reduction gearbox\u003c\/strong\u003e, meaning the handle turns many times for each roller rotation, dramatically reducing effort and making heavy rolling much easier and smoother. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1233\" data-end=\"1390\"\u003e\u003cstrong data-start=\"1233\" data-end=\"1269\"\u003eQ: What materials can it handle?\u003c\/strong\u003e\u003cbr data-start=\"1269\" data-end=\"1272\"\u003eA: It works with \u003cstrong data-start=\"1289\" data-end=\"1350\"\u003egold, silver, copper, brass, and other non-ferrous metals\u003c\/strong\u003e commonly used in jewelry manufacturing.\u003c\/p\u003e\n\u003cp data-start=\"1392\" data-end=\"1552\"\u003e\u003cstrong data-start=\"1392\" data-end=\"1423\"\u003eQ: Is it manual or powered?\u003c\/strong\u003e\u003cbr data-start=\"1423\" data-end=\"1426\"\u003eA: It is a \u003cstrong data-start=\"1437\" data-end=\"1460\"\u003emanual rolling mill\u003c\/strong\u003e, but the gearbox makes it significantly easier to operate than standard direct-drive mills.\u003c\/p\u003e\n\u003cp data-start=\"1554\" data-end=\"1780\"\u003e\u003cstrong data-start=\"1554\" data-end=\"1600\"\u003eQ: What is the main benefit of this model?\u003c\/strong\u003e\u003cbr data-start=\"1600\" data-end=\"1603\"\u003eA: It combines a \u003cstrong data-start=\"1620\" data-end=\"1683\"\u003every wide rolling capacity with ultra-light operating force\u003c\/strong\u003e, making it ideal for users who need \u003cstrong data-start=\"1720\" data-end=\"1779\"\u003ehigh production capability with minimal physical effort\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"12oqc1w\" data-start=\"117\" data-end=\"324\"\u003e\n\u003cstrong data-start=\"119\" data-end=\"152\"\u003eClean rollers after every use\u003c\/strong\u003e – Wipe the 165mm flat and wire grooves immediately to remove filings and prevent scoring on the induction-hardened rolls (~64 HRC). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"h7tfst\" data-start=\"326\" data-end=\"501\"\u003e\n\u003cstrong data-start=\"328\" data-end=\"359\"\u003eProtect with light oil film\u003c\/strong\u003e – Apply a thin layer of rust-preventive oil (e.g., 3-in-1) when idle; always fully clean before rolling to avoid contaminating metal stock.\u003c\/li\u003e\n\u003cli data-section-id=\"y6gees\" data-start=\"503\" data-end=\"730\"\u003e\n\u003cstrong data-start=\"505\" data-end=\"534\"\u003eMaintain the 50:1 gearbox\u003c\/strong\u003e – The ultra-high reduction system is low-effort but still requires periodic light lithium grease to keep torque transfer smooth and prevent long-term wear. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"serm8u\" data-start=\"732\" data-end=\"953\"\u003e\n\u003cstrong data-start=\"734\" data-end=\"771\"\u003eKeep grooves and extensions clean\u003c\/strong\u003e – Regularly remove debris from 11 wire grooves and side extension channels to ensure accurate wire forming and prevent uneven pressure marks. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gsai3e\" data-start=\"955\" data-end=\"1134\"\u003e\n\u003cstrong data-start=\"957\" data-end=\"988\"\u003eAvoid overloading thickness\u003c\/strong\u003e – Do not exceed ~6mm sheet capacity; always reduce in gradual passes instead of forcing heavy single reductions to protect rollers and gearing.\u003c\/li\u003e\n\u003cli data-section-id=\"16b8bib\" data-start=\"1136\" data-end=\"1272\"\u003e\n\u003cstrong data-start=\"1138\" data-end=\"1172\"\u003eUse only clean, annealed metal\u003c\/strong\u003e – Dirty or hardened stock increases wear on precision rollers and reduces surface finish quality.\u003c\/li\u003e\n\u003cli data-section-id=\"zcaw4f\" data-start=\"1274\" data-end=\"1412\"\u003e\n\u003cstrong data-start=\"1276\" data-end=\"1305\"\u003eCheck alignment regularly\u003c\/strong\u003e – Ensure even pressure across the full 165mm width to prevent tapering, uneven wear, and gearbox stress.\u003c\/li\u003e\n\u003cli data-section-id=\"8zuqas\" data-start=\"1414\" data-end=\"1577\"\u003e\n\u003cstrong data-start=\"1416\" data-end=\"1447\"\u003eSecure mounting is critical\u003c\/strong\u003e – Bolt firmly to a heavy, stable bench or dedicated stand; the large frame relies on rigidity for accurate rolling performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1e1f1th\" data-start=\"1579\" data-end=\"1699\"\u003e\n\u003cstrong data-start=\"1581\" data-end=\"1608\"\u003eStore in dry conditions\u003c\/strong\u003e – Prevent humidity exposure to protect rollers, bearings, and cast frame from corrosion.\u003c\/li\u003e\n\u003cli data-section-id=\"11cy89l\" data-start=\"1701\" data-end=\"1821\"\u003e\n\u003cstrong data-start=\"1703\" data-end=\"1742\"\u003eNever touch rollers with bare hands\u003c\/strong\u003e – Skin oils can cause long-term spotting on precision-ground steel surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Durston","offers":[{"title":"Default Title","offer_id":45504122126527,"sku":"128.177","price":3005.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/durston-1037-molly-c165-rolling-mill-with-50-1-reduction-gear-otto-frei-1.jpg?v=1776337943","url":"https:\/\/backyardprovider.com\/products\/durston-molly-c165-combination-rolling-mill-50-1-gearbox","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}