{"product_id":"sterling-silver-seamless-round-tubing-12in-lengths-1-62-5-86mm","title":"Sterling Silver Round Tubing - Sold in 12\" Lengths","description":"\u003cp\u003eSterling silver seamless hollow round tubing supplied in straight 12\" (304.8 mm) lengths for hinge making, tube setting, and structural jewelry components. Smooth, continuous walls give a clean, bright edge around stones and along hinge knuckles.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeamless hollow round tubing for precise hinge knuckles, tube settings, and other fabricated components.\u003c\/li\u003e\n\u003cli\u003eSupplied as straight 12\" lengths, ready to cut into custom sections at the bench.\u003c\/li\u003e\n\u003cli\u003eInterior and exterior diameters coordinated to common wire gauges for use as hinge pins and rivets.\u003c\/li\u003e\n\u003cli\u003eWall thickness options from light to extra heavy for decorative to structural applications.\u003c\/li\u003e\n\u003cli\u003eExact factory dimensions listed by OD, ID, insert wire gauge, and wall type for accurate planning.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard silver soldering, stone-setting, and forming techniques used in jewelry studios.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAlloy\u003c\/th\u003e\n\u003ctd\u003eSterling silver (.925 silver \/ .075 copper)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eSeamless hollow round tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePiece Length\u003c\/th\u003e\n\u003ctd\u003e12\" (304.8 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWall Types Available\u003c\/th\u003e\n\u003ctd\u003eLight, medium, heavy, extra heavy (varies by Part #)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOD Range\u003c\/th\u003e\n\u003ctd\u003e1.62–5.86 mm (see Available Options for exact dimensions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntended Use\u003c\/th\u003e\n\u003ctd\u003eJewelry fabrication; not medical-grade material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eOutside × Inside Diameter\u003c\/th\u003e\n\u003cth\u003eInsert Wire (Gauge)\u003c\/th\u003e\n\u003cth\u003eWall\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-1611\/12\u003c\/td\u003e\n\u003ctd\u003e1.62 mm (0.064\") OD × 1.11 mm (0.044\") ID\u003c\/td\u003e\n\u003ctd\u003e18 ga\u003c\/td\u003e\n\u003ctd\u003e0.25 mm (0.010\") light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-2010\/12\u003c\/td\u003e\n\u003ctd\u003e2.03 mm (0.080\") OD × 1.00 mm (0.039\") ID\u003c\/td\u003e\n\u003ctd\u003e19 ga\u003c\/td\u003e\n\u003ctd\u003e0.50 mm (0.020\") heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-2015\/12\u003c\/td\u003e\n\u003ctd\u003e2.03 mm (0.080\") OD × 1.52 mm (0.060\") ID\u003c\/td\u003e\n\u003ctd\u003e15 ga\u003c\/td\u003e\n\u003ctd\u003e0.25 mm (0.010\") light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-2515\/12\u003c\/td\u003e\n\u003ctd\u003e2.56 mm (0.101\") OD × 1.54 mm (0.061\") ID\u003c\/td\u003e\n\u003ctd\u003e15 ga\u003c\/td\u003e\n\u003ctd\u003e0.50 mm (0.020\") heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-2520\/12\u003c\/td\u003e\n\u003ctd\u003e2.56 mm (0.101\") OD × 2.05 mm (0.081\") ID\u003c\/td\u003e\n\u003ctd\u003e13 ga\u003c\/td\u003e\n\u003ctd\u003e0.25 mm (0.010\") light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-3025\/12\u003c\/td\u003e\n\u003ctd\u003e3.02 mm (0.119\") OD × 2.26 mm (0.089\") ID\u003c\/td\u003e\n\u003ctd\u003e13 ga\u003c\/td\u003e\n\u003ctd\u003e0.40 mm (0.016\") medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-3121\/12\u003c\/td\u003e\n\u003ctd\u003e3.25 mm (0.128\") OD × 2.23 mm (0.088\") ID\u003c\/td\u003e\n\u003ctd\u003e12 ga\u003c\/td\u003e\n\u003ctd\u003e0.50 mm (0.020\") heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-3126\/12\u003c\/td\u003e\n\u003ctd\u003e3.25 mm (0.128\") OD × 2.74 mm (0.108\") ID\u003c\/td\u003e\n\u003ctd\u003e10 ga\u003c\/td\u003e\n\u003ctd\u003e0.25 mm (0.010\") light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-3525\/12\u003c\/td\u003e\n\u003ctd\u003e3.55 mm (0.140\") OD × 2.54 mm (0.100\") ID\u003c\/td\u003e\n\u003ctd\u003e11 ga\u003c\/td\u003e\n\u003ctd\u003e0.50 mm (0.020\") heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-3830\/12\u003c\/td\u003e\n\u003ctd\u003e3.86 mm (0.152\") OD × 3.09 mm (0.122\") ID\u003c\/td\u003e\n\u003ctd\u003e9 ga\u003c\/td\u003e\n\u003ctd\u003e0.40 mm (0.016\") medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-4535\/12\u003c\/td\u003e\n\u003ctd\u003e4.57 mm (0.180\") OD × 3.55 mm (0.140\") ID\u003c\/td\u003e\n\u003ctd\u003e8 ga\u003c\/td\u003e\n\u003ctd\u003e0.50 mm (0.020\") heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-4840\/12\u003c\/td\u003e\n\u003ctd\u003e4.87 mm (0.192\") OD × 4.11 mm (0.162\") ID\u003c\/td\u003e\n\u003ctd\u003e7 ga\u003c\/td\u003e\n\u003ctd\u003e0.40 mm (0.016\") medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-5643\/12\u003c\/td\u003e\n\u003ctd\u003e5.61 mm (0.221\") OD × 4.34 mm (0.171\") ID\u003c\/td\u003e\n\u003ctd\u003e6 ga\u003c\/td\u003e\n\u003ctd\u003e0.625 mm (0.025\") extra heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-5850\/12\u003c\/td\u003e\n\u003ctd\u003e5.86 mm (0.231\") OD × 5.10 mm (0.201\") ID\u003c\/td\u003e\n\u003ctd\u003e5 ga\u003c\/td\u003e\n\u003ctd\u003e0.40 mm (0.016\") medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFor hinge making:\u003c\/strong\u003e Select a wire diameter slightly smaller than the tubing inside diameter (ID) so the hinge pin turns freely without binding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor tube-setting faceted stones:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChoose a tubing OD approximately 0.5 mm larger than the stone and an ID smaller than the stone so it rests on a seat instead of falling through.\u003c\/li\u003e\n\u003cli\u003eUse a setting bur the same size as the stone; if the stone falls between bur sizes, choose tubing the next size smaller and expand it slightly with a center punch.\u003c\/li\u003e\n\u003cli\u003eThis method produces a subtle taper in the setting that can be visually appealing and secure.\u003c\/li\u003e\n\u003cli\u003eBezel setting tools such as Part #153.154MA can speed up and standardize tube settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShorter 3\" lengths of comparable sterling silver tubing are available separately under Part #844-1005MAIN.\u003c\/p\u003e","brand":"Harmony","offers":[{"title":"1.6mm OD x 1.15mm ID","offer_id":47551865094358,"sku":"844-1611\/12","price":23.54,"currency_code":"USD","in_stock":false},{"title":"2.0mm OD x 1.0mm ID","offer_id":47551865127126,"sku":"844-2010\/12","price":47.71,"currency_code":"USD","in_stock":false},{"title":"2.0mm OD x 1.50mm ID","offer_id":47551865159894,"sku":"844-2015\/12","price":35.02,"currency_code":"USD","in_stock":true},{"title":"2.5mm OD x 1.50mm ID","offer_id":47551865192662,"sku":"844-2515\/12","price":65.73,"currency_code":"USD","in_stock":true},{"title":"2.5mm OD x 2.00mm ID","offer_id":47551865225430,"sku":"844-2520\/12","price":39.9,"currency_code":"USD","in_stock":true},{"title":"3.0mm OD x 2.26mm ID","offer_id":47551865258198,"sku":"844-3025\/12","price":64.0,"currency_code":"USD","in_stock":true},{"title":"3.25mm OD x 2.2mm ID","offer_id":47551865290966,"sku":"844-3121\/12","price":90.14,"currency_code":"USD","in_stock":true},{"title":"3.13mm OD x 2.63mm ID","offer_id":47551865323734,"sku":"844-3126\/12","price":50.14,"currency_code":"USD","in_stock":true},{"title":"3.55mm OD x 2.54mm ID","offer_id":47551865356502,"sku":"844-3525\/12","price":93.96,"currency_code":"USD","in_stock":true},{"title":"3.8mm OD x 3.09mm ID","offer_id":47551865389270,"sku":"844-3830\/12","price":84.49,"currency_code":"USD","in_stock":true},{"title":"4.57mm OD x 3.55mm ID","offer_id":47551865422038,"sku":"844-4535\/12","price":122.82,"currency_code":"USD","in_stock":true},{"title":"4.8mm OD x 4.0mm ID","offer_id":47551865454806,"sku":"844-4840\/12","price":112.06,"currency_code":"USD","in_stock":true},{"title":"5.6mm OD x 4.34mm ID","offer_id":47551865487574,"sku":"844-5643\/12","price":197.99,"currency_code":"USD","in_stock":true},{"title":"5.8mm OD x 5.0mm ID","offer_id":47551865520342,"sku":"844-5850\/12","price":131.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-round-tubing-sold-in-12-lengths-otto-frei-1.jpg?v=1714517868","url":"https:\/\/www.ottofrei.com\/es\/products\/sterling-silver-seamless-round-tubing-12in-lengths-1-62-5-86mm","provider":"Otto Frei","version":"1.0","type":"link"}