{"product_id":"singer®-heavy-duty-6600c-computerized-sewing-machine","title":"SINGER® Heavy Duty 6600C Computerized Sewing Machine","description":"\u003cp\u003eThe SINGER Heavy Duty 6600C brings computerized stitch selection to the Heavy Duty line. Instead of a dial you choose from 215 stitch applications with touch buttons, and an LCD screen shows the stitch number, settings and the presser foot to use. It keeps the metal frame, stainless steel bedplate and 1,100 stitches-per-minute speed of the mechanical models and adds needle up\/down and six one-step buttonhole styles.\u003c\/p\u003e\n\u003ch2\u003eWhy choose the SINGER 6600C\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComputerized, but straightforward.\u003c\/strong\u003e Touch-button stitch selection with an LCD showing stitch, settings and recommended foot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e215 stitch applications\u003c\/strong\u003e across basic, stretch and decorative stitches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 one-step buttonhole styles\u003c\/strong\u003e for garments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeedle up\/down\u003c\/strong\u003e for pivoting at corners and appliqué.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy duty build.\u003c\/strong\u003e Metal frame, stainless steel bedplate and up to 1,100 stitches per minute.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSINGER 6600C specifications\u003c\/h2\u003e\u003ctable class=\"tw-spec-table\" style=\"display:table;width:100%;max-width:100%;table-layout:fixed;border-collapse:collapse;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eStitch applications\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003e215\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eButtonholes\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003e6 one-step styles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eNeedle threader\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eBuilt-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eBobbin system\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eTop drop-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eStitch selection\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eTouch buttons with LCD screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eStitch length and width\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eAdjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eMaximum speed\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003e1,100 stitches per minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eFrame and bed\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eHeavy duty metal frame, stainless steel bedplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"white-space:normal;width:40%;text-align:left;vertical-align:top;padding:10px 12px;\"\u003eOther features\u003c\/th\u003e\n\u003ctd style=\"white-space:normal;vertical-align:top;padding:10px 12px;overflow-wrap:anywhere;\"\u003eNeedle up\/down, drop feed, LED light, free arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\u003cp\u003eSINGER includes an all-purpose foot, zipper foot, buttonhole foot, blind hem foot and satin stitch foot; four Class 15 transparent bobbins; large and small spool holders; spool pin felt; an auxiliary spool pin; an L-screwdriver; a brush\/seam ripper; a soft cover; and needles.\u003c\/p\u003e\n\u003ch2\u003eHow the 6600C compares\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"\/products\/singer%C2%AE-heavy-duty-6700c-computerized-sewing-machine\"\u003e6700C\u003c\/a\u003e is the next step: 411 stitch applications including a lettering font, seven buttonhole styles, a tie-off button, speed control and a larger 6.4\" × 4.6\" sewing space, plus more included feet (walking, open toe, cording and others). Choose the 6600C if 215 stitch applications are plenty and you do not need lettering.\u003c\/p\u003e\n\u003ch2\u003eQuestions about the SINGER 6600C\u003c\/h2\u003e\u003ch3\u003eIs the SINGER 6600C computerized?\u003c\/h3\u003e\u003cp\u003eYes. You select stitches with touch buttons and see the stitch, settings and presser foot on the LCD screen.\u003c\/p\u003e\u003ch3\u003eDoes the 6600C have needle up\/down?\u003c\/h3\u003e\u003cp\u003eYes.\u003c\/p\u003e\u003ch3\u003eHow many buttonholes does the 6600C sew?\u003c\/h3\u003e\u003cp\u003eSix one-step buttonhole styles.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between the 6600C and 6700C?\u003c\/h3\u003e\u003cp\u003eThe 6700C has 411 stitch applications including a lettering font, 7 buttonholes, a tie-off button, speed control and more included feet.\u003c\/p\u003e\n\u003ch2\u003eWarranty and support\u003c\/h2\u003e\u003cp\u003eWarranty coverage for this machine is set by SINGER. Check the terms for this model with \u003ca href=\"https:\/\/help.singer.com\/en-US\/singers-warranty-coverage-395288\" rel=\"noopener\"\u003eSINGER's warranty information\u003c\/a\u003e before you buy, and keep your receipt for any claim. Returns through ThreadWorks follow the return terms shown on this page.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuying from ThreadWorks.\u003c\/strong\u003e ThreadWorks is a family sewing business in Arizona, now run by the third generation of the Mulqueen family, with roots going back to 1977. If you are deciding between two machines, \u003ca href=\"\/pages\/contact\"\u003esend us your project list\u003c\/a\u003e or call \u003ca href=\"tel:+14805450778\"\u003e(480) 545-0778\u003c\/a\u003e and we will help you compare them.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKeep reading:\u003c\/strong\u003e \u003ca href=\"\/blogs\/buying-guides\/best-singer-sewing-machines-2026\"\u003eBest Singer sewing machines, every model compared\u003c\/a\u003e · \u003ca href=\"\/collections\/heavy-duty-sewing-machines\"\u003eHeavy duty sewing machines\u003c\/a\u003e · \u003ca href=\"\/collections\/singer-machines\"\u003eSinger sewing machines\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSpecifications and included accessories are from SINGER's product information for SKU 230254112.\u003c\/em\u003e\u003c\/p\u003e","brand":"Singer","offers":[{"title":"Default Title","offer_id":67709519659110,"sku":"230254112","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/7872\/8294\/files\/HD-HD6605-1_4df7bc71-09de-403b-bb1c-ca05b22456bd.jpg?v=1792017846","url":"https:\/\/threadworks.com\/products\/singer%c2%ae-heavy-duty-6600c-computerized-sewing-machine","provider":"ThreadWorks","version":"1.0","type":"link"}