BB 50mm Lenghth 3xD Carbide Drill External Coolant Efficient CNC Drilling Tool BB2055(0.3~4.0mm) long neck end mill drilling machines and machines with

drilling machines and machines with special functions

RPM:rev/min Feed:mm/min

CerMet is widely used in rocket

we suggest that the depth of drilling is 1

Processing Method 90 Degree Chamfer Optional

BB 50mm Lenghth 3xD Carbide Drill External Coolant Efficient CNC Drilling Tool BB2055(0.3~4.0mm) long neck end mill drilling machines and machines withBB 3xD Solid Carbide Drill Please note that there are two types of drill bits: internal cooling (with cooling holes) and external cooling (without cooling holes). Please be careful to select when placing an order. Recommended for material hardness within 40RC Internal Cooling Higher machining precision, better surface finish, uniform heat dissipation, prolonged tool life, and enhanced operational safety Drilling example SUS304, 6. 7mm RPM: 2300 Feed: