Step Drill bit High Speed Steel Step Drill Bit for Metal Wood Hole Cutter Woodworking Power Tools 4-12mm 4-20mm 4-32mm by HUANGYUZHENZHI (Color : 3PCS(4 12 4 20 4 32), Shank Shape : Hexagonal) : : Home Improvement
✅【Quality Material:】HSS 4241 & classic high speed steel with titanium coating for strength and longevity. ✅【Titanium Coating:】Coated by titanium,this
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