PFERD Diamond Internal Bur 3mm Shaft 120 Blade Diameter 4.0mm DZY-N4.0-119228 1 piece

Catalog number: DZY-N4.0-119228 Features: ●The abrasive grains protrude sufficiently from the binder, which allows for excellent chip removal and does not put strain on the tool even during high feed grinding. ●Highly durable coating technology reduces dust emissions, suppresses noise and vibration, and boasts high environmental compatibility. Applications: ●For polishing the inner surfaces of holes, R parts, and curved parts. Specifications: ●Grain size (#): 120 ●Blade diameter (mm): 4 ●Blade length (mm): 5 ●Shaft diameter (mm): 3 ●Total length (mm): 50 ●Shape: Cylindrical ●Maximum operating speed (rpm): 50400 Material/Finish: ●Electroplated diamond