Union Tool 2-Blade Long Neck Ball End Mill for Super Finishing R0.4 x Effective Length 4 x Blade Length 0.6 x Neck Diameter 0.78 x Total Length 50 CBN-LBSF2008-040 1 Piece

Catalog number: CBN-LBSF2008-040 Features: *CBN material is used, which is ideal for machining high-hardness materials, and its excellent wear resistance and chipping resistance have resulted in a long life. *The unique blade shape has achieved further improvements in the machining surface. *This type emphasizes high precision and finishing. *High-precision shank diameter tolerance of 0/-0.004 mm has been adopted. *Ball R precision is ±0.002 mm, based on nominal R (※). *Nominal R is the standard: Machining precision can be improved by directly inputting the ball radius R listed in the catalog into CAM. Uses: ●Compatible workpiece materials: Hardened steel (up to 55HRC) (up to 60HRC) (up to 68HRC) Pre-hardened steel Specifications: ●Ball radius (mm): R0.4 ●Blade length (mm): 0.6 ●Total length (mm): 50 ●Shank diameter (mm): 4 ●Number of blades (pieces): 2 ●Number of blades: 2 ●Twist angle: 20 ●Compatible workpiece materials: Hardened steel (up to 55HRC) (up to 60HRC) (up to 68HRC) Pre-hardened steel Material/Finish: ●CBN Caution: ●The shank taper angle is a guideline. ●If interference with the workpiece is required, be sure to measure it and confirm. ●Please be careful of contact between the shank and the workpiece.