IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel S...
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- HSS Titanium Coating: The step drill has excellent sharpness and durability due to its high speed steel material and titanium coating
- 118ยฐ Split Point Tip & Dual-flute Design: increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily