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Diameter of cutter's shank:6mm
BF2055 – Optimized for aluminum & non-ferrous materials
high hardness
整体硬质合金材质，具备极高硬度与耐磨性，专为精密、持久加工而设计。
them machining environment needs to be stable to reduce beating
BB Internal Cooling Carbide Drill 3xD Diameter DLC CNC High Feed Machining for Aluminum Copper BC2055 Hole Diameter:1.4*D4*12*50 Diameter of cutter's shank:6mmName: BB Micro Drill Material: Micro grained carbde Number of flutes: 2 Series: BC2055 Diameter of shank: 4mm~20mm Application: For general purpose Cuting diameter Shank diameter (D) Cuttlng length (L) Total length (OL) Angle Tolerance 1. 0~1. 2 4 11 50 118 0. 005 1. 25~1. 9 4 12 50 118 0. 005 1. 95~3. 0 4 15 50 118 0. 005 3. 0~4. 0 4 20 50 118 0. 005 1. 51~2. 0 4 10 50 118 0. 005 3. 3~3. 7 6 20 62 118 0. 005 3. 8~4. 7 6 24 66 118 0. 005 4. 05~4. 65 6
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