{"product_id":"busch-fig-411t-twincut-concave-cone-cup-bur-kit-13-0-80mm-2-00mm","title":"Busch Fig 411T Twincut Concave Cone Cup Bur Kit of 13-0.80mm to 2.00mm","description":"\u003cp\u003eBusch burs are the most trusted name in jewelers' burs, engineered to ultra-high precision tolerances from tungsten vanadium steel. The Fig 411T Twincut Concave Cone Cup Bur is a versatile 3-in-1 design that combines concave cone geometry with twincut fluting—delivering clean, efficient cutting performance for stone setting, seat preparation, and detail work. This kit provides a complete size progression in a single purchase, ideal for jewelers who need precision across a broad range of stone and seat dimensions.\u003c\/p\u003e\u003cp\u003eThe kit includes one each of all 13 sizes from 0.80 mm to 2.00 mm, conveniently organized on a plastic stand for easy bench access and size identification.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBusch Fig 411T Twincut Concave Cone Cup profile—3-in-1 design for versatile cutting tasks\u003c\/li\u003e\n\u003cli\u003eTwincut fluting for smooth, efficient material removal\u003c\/li\u003e\n\u003cli\u003eManufactured from tungsten vanadium steel to ultra-high precision tolerances\u003c\/li\u003e\n\u003cli\u003eComplete size range from 0.80 mm to 2.00 mm in 0.10 mm increments\u003c\/li\u003e\n\u003cli\u003e13 burs included, organized on a plastic storage stand\u003c\/li\u003e\n\u003cli\u003eConsistent geometry across all sizes for predictable, repeatable results\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eTungsten vanadium steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBur Figure\u003c\/th\u003e\n\u003ctd\u003eFig 411T Twincut Concave Cone Cup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e0.80 mm – 2.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Increments\u003c\/th\u003e\n\u003ctd\u003e0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKit Quantity\u003c\/th\u003e\n\u003ctd\u003e13 burs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003ePlastic stand included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.450\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-008 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e0.80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.451\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-009 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e0.90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.452\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-010 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e1.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.453\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-011 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e1.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.454\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-012 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e1.20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.455\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-013 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e1.30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.456\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-014 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e1.40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.457\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-015 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e1.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.458\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-016 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e1.60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.459\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-017 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e1.70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.460\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-018 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e1.80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.461\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-019 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e1.90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.462\u003c\/td\u003e\n\u003ctd\u003eBusch Fig 411T-020 3-in-1 Cup Bur\u003c\/td\u003e\n\u003ctd\u003e2.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Busch Burs","offers":[{"title":"Default Title","offer_id":43582573379798,"sku":"118.028T","price":54.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/busch-fig-411t-twincut-concave-cone-cup-bur-kit-of-13-0-80mm-to-2-00mm-otto-frei.jpg?v=1719956975","url":"https:\/\/www.ottofrei.com\/products\/busch-fig-411t-twincut-concave-cone-cup-bur-kit-13-0-80mm-2-00mm","provider":"Otto Frei","version":"1.0","type":"link"}