{"product_id":"busch-fig-77b-cup-burs-90mm-3-10mm-6-pack","title":"Busch Fig. 77B Cup Burs .90mm-3.10mm-6 Packs","description":"\u003cp\u003eA cup bur sets stones, finishes bearing seats, and cuts clean, uniform cup-shaped recesses in metal. Busch cup burs are among the most trusted tools in professional jewelry making, engineered to ultra-high precision tolerances and favored by bench jewelers worldwide. The Busch Fig. 77B (European Fig. 411) cup bur is available in 13 sizes ranging from 0.90mm to 3.10mm, giving jewelers the precise control needed for consistent, professional results.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClassic cup bur profile, ideal for stone setting, seat finishing, and bearing preparation\u003c\/li\u003e\n\u003cli\u003eMade from tungsten vanadium steel for durability and long cutting life\u003c\/li\u003e\n\u003cli\u003eManufactured to ultra-high precision tolerances for consistent, repeatable performance\u003c\/li\u003e\n\u003cli\u003eAvailable in 13 sizes from 0.90mm to 3.10mm to cover a wide range of stone sizes\u003c\/li\u003e\n\u003cli\u003eSold in multiples of six, with bulk pack pricing for professional use\u003c\/li\u003e\n\u003cli\u003eEuropean Fig. 411 \/ USA Fig. 77B designation for universal reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eBur Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.400\u003c\/td\u003e\n\u003ctd\u003e0.90mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.401\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.402\u003c\/td\u003e\n\u003ctd\u003e1.20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.403\u003c\/td\u003e\n\u003ctd\u003e1.40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.404\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.405\u003c\/td\u003e\n\u003ctd\u003e1.60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.406\u003c\/td\u003e\n\u003ctd\u003e1.80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.407\u003c\/td\u003e\n\u003ctd\u003e2.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.408\u003c\/td\u003e\n\u003ctd\u003e2.30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.409\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.410\u003c\/td\u003e\n\u003ctd\u003e2.70mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.411\u003c\/td\u003e\n\u003ctd\u003e2.90mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB118.412\u003c\/td\u003e\n\u003ctd\u003e3.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eAll sizes in this range (0.90mm–3.10mm) are sold in multiples of six only. Each selection adds one pack of six burs to your order.\u003c\/p\u003e","brand":"Busch Burs","offers":[{"title":".90mm","offer_id":43700348485846,"sku":"B118.400","price":21.95,"currency_code":"USD","in_stock":true},{"title":"1.00mm","offer_id":43700348518614,"sku":"B118.401","price":21.95,"currency_code":"USD","in_stock":true},{"title":"1.20mm","offer_id":43700348551382,"sku":"B118.402","price":21.95,"currency_code":"USD","in_stock":true},{"title":"1.40mm","offer_id":43700348584150,"sku":"B118.403","price":21.95,"currency_code":"USD","in_stock":true},{"title":"1.50mm","offer_id":43700348616918,"sku":"B118.404","price":21.95,"currency_code":"USD","in_stock":true},{"title":"1.60mm","offer_id":43700348649686,"sku":"B118.405","price":21.95,"currency_code":"USD","in_stock":true},{"title":"1.80mm","offer_id":43700348682454,"sku":"B118.406","price":21.95,"currency_code":"USD","in_stock":true},{"title":"2.10mm","offer_id":43700348715222,"sku":"B118.407","price":21.95,"currency_code":"USD","in_stock":true},{"title":"2.30mm","offer_id":43700348747990,"sku":"B118.408","price":21.95,"currency_code":"USD","in_stock":false},{"title":"2.50mm","offer_id":43700348780758,"sku":"B118.409","price":37.35,"currency_code":"USD","in_stock":true},{"title":"2.70mm","offer_id":43700348813526,"sku":"B118.410","price":37.35,"currency_code":"USD","in_stock":false},{"title":"2.90mm","offer_id":43700348846294,"sku":"B118.411","price":37.35,"currency_code":"USD","in_stock":true},{"title":"3.10mm","offer_id":43700348879062,"sku":"B118.412","price":51.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/busch-fig-77b-cup-burs-90mm-3-10mm-6-packs-otto-frei.jpg?v=1719955343","url":"https:\/\/www.ottofrei.com\/ja\/products\/busch-fig-77b-cup-burs-90mm-3-10mm-6-pack","provider":"Otto Frei","version":"1.0","type":"link"}