HSS Step Drill Ø 6-60mm - Spiral Large Cone Drill for Metal, Wood, Plastic..DEBUNS clothing_storage Lightweight structure: Minimizes fatigue during

Lightweight structure: Minimizes fatigue during prolonged wearing

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for worry-free diaper changing solutions

**Smart Self-Filling System** The innovative auto-refill mechanism ensures food and water stay fresh and plentiful

HSS Step Drill Ø 6-60mm - Spiral Large Cone Drill for Metal, Wood, Plastic..DEBUNS clothing_storage Lightweight structure: Minimizes fatigue duringLarge Step Drill The step drill is designed in 12 steps of drill diameter: 6 60mm (6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm). Unique enlargement holes, no need to change drill and positioning holes during use. Material The step cone cutter is made of HSS 4241 high speed steel and titanium coating on the surface. Anti rust, anti wear and heat, longer service life. Spiral design 135 split tip and 2 groove double edged design