BB Left Hand 3.96mm-12mm DIY Machine Reamer Carbide Spiral Flute PRO External Cooling Small Hole Making 不等螺旋角 Self-Centering Drill Tip Special Design

Self-Centering Drill Tip Special Design

锋利、耐磨、通用兼容

and saves production time

simple cleaning after use for easy reuse

BB Friction Drill Holder

BB Left Hand 3.96mm-12mm DIY Machine Reamer Carbide Spiral Flute PRO External Cooling Small Hole Making 不等螺旋角 Self-Centering Drill Tip Special DesignBB Carbide Reamer Left Hand Rotation, Right Hand Cutting Downward Chip Removal Longer service life, efficient milling cutter, smooth chip evacuation Wide Chip Evacuation Groove Design Low resistance, smooth cutting, no chip accumulation Cemented Carbide Material This premium quality solid carbide reamer is crafted from micro grain tungsten steel, offering exceptional wear resistance and strength. Designed for high hardness, high speed cutting