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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Ball nose end mill
this drill bit offers superior wear resistance and exceptional strength — engineered specifically for high-hardness materials and high-speed cutting applications
a large amount of cutting heat is generated on the chips
Note：The tool holder does not include blades or seats， blades and seats need to be purchased separately
Hexagonal shank design for secure chuck engagement and reduced slippage during operation
BB Carbide Drill 8xD CNC Long Deep Hole Machining Coated Flute Internal Coolant for Steel Metal Tool Diameter 3-16mm Hole Diameter:11.2x12x114x162 Ball nose end millBB Carbide Drill 8xD *It is recommended to add guide hole before drilling. There is a slight difference in length between internal and external cooling. External: 3 3. 7 x6x34x72 3. 8 4. 7 x42x81 4. 8 6. 0 x6x57x95 6. 1 8. 0 x8x76x116 Two series of internal cold drilling: BK2055 and BB2055. 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
