Step Drill, Helix, Hexagonal Axis Drill, Set of 3, Titanium , Spiral HSS Steel,

Set Contents: Step drill x 3 + storage bag Size: 0.2 - 1.3 inches (4 - 32 mm) / 15 steps, 0.2 - 0.8 inches (4 - 20 mm) / 9 levels Material: The main body is HSS steel 4241, and the surface is treated with titanium , making it harder than ordinary steel step drills, and has excellent sharpness (Step Drill) This step drill drill holes in various standards and sizes. This set of 3 step drills is equivalent to a box of regular drills, making it very convenient Wide range of uses: Suitable for home DIY, wood, thin steel plates, stainless steel, aluminum wood, FRP and resin, as well as for enlarging holes, beveling, deburring, etc

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