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 Easy to use

Easy to use

5 D12 100  200  4T 12R0

BB 200mm Length Carbide Drill

5 D18 45  100  4T 18R1 D18 45  100  4T 18R2 D18 45  100  4T 20R0

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

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 Easy 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