{"product_id":"busch-fig-1au-carbide-round-burs-3-32-shank-0-30mm-3-50mm","title":"Busch Fig 1AU Carbide Round Burs 3\/32\" Shank 0.30mm-3.50mm-By the Piece","description":"\u003cp\u003eRound burs enlarge a drilled hole and cut a secure seat for the rondelle of the stone, the second step in pavé setting. Busch Fig. 1AU carbide round burs are built for that job: used after a 4205S carbide twist drill, they deliver clean, controlled cutting even in the toughest metals. Solid carbide construction and a powerful blade geometry suit them to platinum, titanium, steel, and hard alloys, and the 3\/32 in. (2.35 mm) shank fits standard flex shaft and micromotor handpieces. Sold individually in sizes from 0.30 mm to 3.50 mm.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFig. 1AU round bur for enlarging and shaping drilled seats\u003c\/li\u003e\n\u003cli\u003eIdeal for second-step pavé setting applications\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction for exceptional longevity\u003c\/li\u003e\n\u003cli\u003eSuitable for platinum, titanium, steel, and hard alloys\u003c\/li\u003e\n\u003cli\u003ePowerful blade geometry for efficient cutting\u003c\/li\u003e\n\u003cli\u003e3\/32 in. (2.35 mm) shank fits standard flex shaft and micromotor handpieces\u003c\/li\u003e\n\u003cli\u003eRecommended operating speed: 2,000–10,000 RPM\u003c\/li\u003e\n\u003cli\u003eSold individually\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\u003eBAU118.173\u003c\/td\u003e\n\u003ctd\u003e0.30 mm (0.012 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBAU118.174\u003c\/td\u003e\n\u003ctd\u003e0.40 mm (0.016 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBAU118.175\u003c\/td\u003e\n\u003ctd\u003e0.50 mm (0.020 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBAU118.176\u003c\/td\u003e\n\u003ctd\u003e0.60 mm (0.024 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBAU118.177\u003c\/td\u003e\n\u003ctd\u003e0.70 mm 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