{"title":"603 Red Bottom Line Polyester Thread","description":"\u003cp\u003e\u003cstrong\u003e603 Red Bottom Line Polyester Thread\u003c\/strong\u003e is a classic bright red in Superior Threads' ultra-fine 60-weight Bottom Line line — providing the finest possible red stitching for competition quilts on red backgrounds, invisible bobbin use under red top threads, and any application where maximum thread fineness with a vivid red color is needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is Bottom Line?\u003c\/strong\u003e\u003cbr\u003eA: Superior's 60-weight filament polyester — the finest thread in their lineup. Originally designed as a premium bobbin thread, also used as top thread when the smallest possible stitch holes are required.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What shade is 603 Red?\u003c\/strong\u003e\u003cbr\u003eA: A bright, clean red — classic red without heavy orange or dark undertones.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: When should I use Red Bottom Line instead of Red Glide or Omni?\u003c\/strong\u003e\u003cbr\u003eA: When maximum thread fineness is the priority — for competition quilts on red fabric, or bobbin use under red Glide on top. Bottom Line creates significantly smaller stitch holes than 40-weight thread.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What weight is Bottom Line?\u003c\/strong\u003e\u003cbr\u003eA: 60-weight filament polyester. Requires significant tension adjustment. Always test before production use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is Bottom Line lint-free?\u003c\/strong\u003e\u003cbr\u003eA: Yes — completely lint-free filament polyester.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is Red Bottom Line good in the bobbin under red Glide on top?\u003c\/strong\u003e\u003cbr\u003eA: Yes — one of the most effective uses of Bottom Line for color-matched front-to-back stitching on red-backed quilts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is 603 Red Bottom Line compatible with all longarm machines?\u003c\/strong\u003e\u003cbr\u003eA: Yes — with proper 60-weight tension setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is 603 Red Bottom Line in stock at Linda's?\u003c\/strong\u003e\u003cbr\u003eA: Check the current product listing for live availability.\u003c\/p\u003e\u003cp\u003eThe finest red stitch — shop \u003cstrong\u003e603 Red Bottom Line\u003c\/strong\u003e at Linda's Electric Quilters.\u003c\/p\u003e","products":[{"product_id":"603-red-bottom-line-polyester-thread","title":"603 Red Bottom Line Polyester Thread","description":"\u003ch2\u003eRed Bottom Line Polyester Thread\u003c\/h2\u003e\n\u003cp\u003eRed Bottom Line Polyester Thread:\u003c\/p\u003e\n\u003cp\u003eDesigned for applique, bobbin thread, and quilting.\u003c\/p\u003e\n\u003cp\u003eLint-free never felt so good. The Bottom Line makes a fantastic bobbin thread for any type of sewing. Its lightweight, blending colors are easily matched with any top thread. Invisible applique and binding are a breeze with Bottom Line as it stitches through layers of fabric. Bottom Line is fantastic for micro-stippling and English Paper Piecing.\u003c\/p\u003e\n\u003ctable width=\"549\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"212\"\u003e\n\u003cp\u003eFiber Type\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"331\"\u003e\n\u003cp\u003ePolyester\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"212\"\u003e\n\u003cp\u003ePly\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"331\"\u003e\n\u003cp\u003e2 Ply\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"212\"\u003e\n\u003cp\u003eTex\/Weight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"331\"\u003e\n\u003cp\u003e60 Weight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"212\"\u003e\n\u003cp\u003eCone Size (Yards)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"331\"\u003e\n\u003cp\u003e3,000 yards\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Superior Threads","offers":[{"title":"Default Title","offer_id":36431547957415,"sku":"BL-603","price":13.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0433\/1995\/1527\/products\/114-02-603.jpg?v=1762197960"}],"url":"https:\/\/lindas.com\/collections\/603-red-bottom-line-polyester-thread.oembed","provider":"Linda's Electric Quilters ","version":"1.0","type":"link"}