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it is recommended to use a centering drill with a larger drill tip angle
suitable for blind hole machining
BB Tungsten Carbide Corner Radius End Mills
D10*d5*15*D10*60L
BB Micro Drill Solid Carbide Bit Mini CNC Aluminum Hole Making External Cooling 3xD Shank Diameter 4mm D4 BF2055 0.3~3.99mm CNC刀具 it is recommended to useName: BB Micro Drill Material: Micro grained carbde Number of flutes: 2 Series: BF2055 Diameter of shank: 4mm Application: For general purpose Cuting diameter Shank diameter (D) Cuttlng length (L) Total length (OL) Angle Tolerance 0. 3~0. 4 4 4 50 118 0. 005 0. 41~0. 5 4 5 50 118 0. 005 0. 51~0. 99 4 6 50 118 0. 005 1. 0~1. 5 4 8 50 118 0. 005 1. 51~2. 0 4 10 50 118 0. 005 1. 5 4 12 50 118 0. 005 2. 01~2. 5 4 12 50 118 0. 005 2. 51 4 12 50 118 0. 005
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