OSTTE Step Drill Bits with Two Spiral Grooves, 5PCS
- 【50 Sizes in 5 Bits】One versatile step drill bit set gives you 50 essential hole sizes (3/16" to 1-3/8") for any project. Perfect as a step drill bit set for metal, wood...
- 【Titanium-Coated HSS - Drills Harder, Lasts Longer】High-speed steel core with titanium nitride coating provides extreme heat and abrasion resistance. These step drill bits for...
- 【Spiral Flute & 118° Tip - Precision Meets Performance】Dual-spiral flute design ejects chips rapidly for cooler operation and cleaner holes. Combined with the 118° split...
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