{"product_id":"swiss-90-degree-hart-bur-master-kit-29-piece-0-90mm-to-5-00mm","title":"Swiss 90 Degree Hart Bur Master Kit 28 Pieces 0.90 mm To 5.00 mm","description":"\u003cp\u003eHart burs cut precise seats in prongs and channels, which makes them an essential tool for professional stone setting work. This 29-piece master kit brings together a comprehensive range of \u003cstrong\u003eSwiss made tungsten vanadium 90° hart burs\u003c\/strong\u003e in a single set, spanning \u003cstrong\u003e0.90 mm to 5.00 mm\u003c\/strong\u003e on 3\/32\" diameter shafts that fit standard flex-shaft handpieces and rotary tools, with a wood storage box that keeps every bur organized and protected at the bench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTungsten vanadium vs. High Speed Steel (HSS):\u003c\/strong\u003e Tungsten vanadium steel burs are the most popular burs in the jewelry industry. Machine made to ultra-high precision tolerances, they are uniformly perfect and cut precious metal smoothly and cleanly with no chatter or drag. High Speed Steel burs are individually hand cut, so no two are exactly alike. Tungsten vanadium burs are not as durable as USA made High Speed Steel burs, but they typically cost less.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e90° hart bur geometry designed for cutting prong and channel seats for stone setting\u003c\/li\u003e\n\u003cli\u003eSwiss made tungsten vanadium steel construction for uniform precision and smooth, clean cuts\u003c\/li\u003e\n\u003cli\u003eMachine made to ultra-high precision tolerances, with no chatter or drag\u003c\/li\u003e\n\u003cli\u003e3\/32\" diameter shafts fit standard flex-shaft handpieces and rotary tools\u003c\/li\u003e\n\u003cli\u003e29-piece set covering 28 individual bur sizes from 0.90 mm to 5.00 mm\u003c\/li\u003e\n\u003cli\u003eIncludes a wood storage box to organize and protect the full set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e118.500 – Hart Bur 0.90 mm\u003c\/li\u003e\n\u003cli\u003e118.501 – Hart Bur 1.00 mm\u003c\/li\u003e\n\u003cli\u003e118.522 – Hart Bur 1.10 mm\u003c\/li\u003e\n\u003cli\u003e118.502 – Hart Bur 1.20 mm\u003c\/li\u003e\n\u003cli\u003e118.523 – Hart Bur 1.30 mm\u003c\/li\u003e\n\u003cli\u003e118.503 – Hart Bur 1.40 mm\u003c\/li\u003e\n\u003cli\u003e118.504 – Hart Bur 1.50 mm\u003c\/li\u003e\n\u003cli\u003e118.505 – Hart Bur 1.60 mm\u003c\/li\u003e\n\u003cli\u003e118.526 – Hart Bur 1.70 mm\u003c\/li\u003e\n\u003cli\u003e118.506 – Hart Bur 1.80 mm\u003c\/li\u003e\n\u003cli\u003e119.527 – Hart Bur 2.00 mm\u003c\/li\u003e\n\u003cli\u003e118.507 – Hart Bur 2.10 mm\u003c\/li\u003e\n\u003cli\u003e119.528 – Hart Bur 2.20 mm\u003c\/li\u003e\n\u003cli\u003e118.508 – Hart Bur 2.30 mm\u003c\/li\u003e\n\u003cli\u003e119.529 – Hart Bur 2.40 mm\u003c\/li\u003e\n\u003cli\u003e118.509 – Hart Bur 2.50 mm\u003c\/li\u003e\n\u003cli\u003e119.530 – Hart Bur 2.60 mm\u003c\/li\u003e\n\u003cli\u003e118.510 – Hart Bur 2.70 mm\u003c\/li\u003e\n\u003cli\u003e119.531 – Hart Bur 2.80 mm\u003c\/li\u003e\n\u003cli\u003e118.511 – Hart Bur 2.90 mm\u003c\/li\u003e\n\u003cli\u003e118.512 – Hart Bur 3.10 mm\u003c\/li\u003e\n\u003cli\u003e118.513 – Hart Bur 3.30 mm\u003c\/li\u003e\n\u003cli\u003e118.514 – Hart Bur 3.50 mm\u003c\/li\u003e\n\u003cli\u003e118.515 – Hart Bur 3.70 mm\u003c\/li\u003e\n\u003cli\u003e118.517 – Hart Bur 4.20 mm\u003c\/li\u003e\n\u003cli\u003e118.518 – Hart Bur 4.50 mm\u003c\/li\u003e\n\u003cli\u003e118.519 – Hart Bur 4.70 mm\u003c\/li\u003e\n\u003cli\u003e118.520 – Hart Bur 5.00 mm\u003c\/li\u003e\n\u003cli\u003e119.240 – Wood Storage Box for Setting Burs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis set counts 29 items in total: 28 individual bur sizes plus one wood storage box.\u003c\/p\u003e","brand":"Otto Frei Swiss Burs","offers":[{"title":"Default Title","offer_id":43582562697430,"sku":"118.007","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/swiss-90-degree-hart-bur-master-kit-28-pieces-0-90-mm-to-5-00-mm-otto-frei.jpg?v=1719956982","url":"https:\/\/www.ottofrei.com\/ja\/products\/swiss-90-degree-hart-bur-master-kit-29-piece-0-90mm-to-5-00mm","provider":"Otto Frei","version":"1.0","type":"link"}