BB Internal Cooling Carbide Drill 3xD Diameter DLC CNC High Feed Machining for Aluminum Copper BC2055 Hole Diameter:6.6*D8*34*79 - Magnetic drill

- Magnetic drill

5 D4 8  50  4T 3R1 D4 8  50  4T 4R0

forming a bushing while simultaneously trimming off the raised ring

Coolant is needed

BB Internal Cooling Carbide Drill 3xD Diameter DLC CNC High Feed Machining for Aluminum Copper BC2055 Hole Diameter:6.6*D8*34*79 - Magnetic drillName: 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