BB Machine Reamer 0.5mm-2.22mm Micro Carbide Spiral Flute Bright PRO CNC External Cooling D4 for Aluminum Small Hole Making Hole Diameter:2.21xD4x15x25x50-4T it has high wear resistance

it has high wear resistance and strength

Drill Hole

Applications in Motorcycle and Electric Vehicle Frames

Length(L) Teeth 2R0

*Some sizes need to be customized in about a week

BB Machine Reamer 0.5mm-2.22mm Micro Carbide Spiral Flute Bright PRO CNC External Cooling D4 for Aluminum Small Hole Making Hole Diameter:2.21xD4x15x25x50-4T it has high wear resistanceBB Carbide Reamer Precision Ground Cutting Edge Without Burrs The cutting edge is precision ground to avoid any burrs, reducing the friction coefficient for enhanced wear resistance and prolonged tool life Precision GrindingFinely Honed Cutting Edge CoatingWear Resistant and Durable PassivationEdge Free of Burrs Edge Free of Burrs Cemented Carbide Material Using micro grain Cemented Carbide Material, which has higher abrasion resistance and strength,