This bur cuts fine detail, deep grooves, and precise seats for stone setting in hard metals. The Busch 415S-AU Carbide Knife Edge Bur is a precision rotary bur on a 3/32 in (2.35 mm) shank, and its thin knife-edge profile reaches narrow areas where controlled, precise material removal is essential.
Features
- AU-style cut provides aggressive material removal while producing a bright finish
- Tungsten carbide construction with a 2.00 mm head and a 0.40 mm edge profile
- 3/32 in (2.35 mm) shank
- Designed for cutting precise seats, narrow slots, and fine bearing cuts in stone-setting applications
- Suitable for channel and prong setting work
- Efficiently cuts and trims platinum, white gold, titanium, and stainless steel
- Useful for cleaning sharp interior angles and refining delicate contours
- Can be used for detailed texturing and precision metal removal
