BB Micro Drill Solid Carbide Bit Mini CNC Aluminum Hole Making External Cooling 3xD Shank Diameter 4mm D4 BF2055 0.3~3.99mm Hole Diameter:1.53xD4x10x50 5 D12 48 150 4T

5 D12 48  150  4T 12R2 D12 30  75  4T 12R2 D12 36  100  4T 12R2 D12 48  150  4T 12R2

5 D6 20  100  3T 6R0

and wear resistance

5 D12 100  200  4T 12R0

BB 200mm Length Carbide Drill

BB Micro Drill Solid Carbide Bit Mini CNC Aluminum Hole Making External Cooling 3xD Shank Diameter 4mm D4 BF2055 0.3~3.99mm Hole Diameter:1.53xD4x10x50 5 D12 48 150 4TName: 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