4 Spiral Flute HSS 3Pcs M35 Step Drill 1/8"-7/8" Impact Stepped Drill Bit Tian Coated For Metal Woodworking Wear-Resistant

4 Spiral Flute HSS 3Pcs M35 Step Drill 1/8"-7/8" Impact Stepped Drill Bit Tian Coated For Metal Woodworking Wear-Resistant

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