NEW Step Drill Bit Set, 5-PCS- Four Spiral Groove Set of hex Shank Step Drill Bit Suitable for Aluminum, Wood Plastic, Metal and Other Materials Four-Spiral Metric Flute Multi-Material Nitrided HSS high speed steel tools

5-Piece Nitrided Step Drill Kit:

Our 5-Piece Nitrided Ladder Drilling Bit Set Contains Various Sizes to Meet Various Drilling Needs.

The Kit Contains a Diameter of 3/16 "-1/2"(6 Steps),1/8 "-1/2"(13 Steps),1/4 "-3/4"(9 Steps),3/16 "-7/8"(12 Steps) and 3/16 "-1-3/8"(19 Steps) Step Drill Bit.

All These Drill Bits Are Made of Strong Blow Molding Shell, Which Is Convenient for Storage and Transportation.

Multi-Functional Drilling Capability: Our Step Drill Has Strong Drilling Capability, All of Which AreFour-Groove Spiral Step Drill Heads, Suitable for Perforation of Various Materials Such as Thin Metal, Copper, Aluminum, Iron, Carbon Steel, Wood and Plastic.

It Is a Must-Have Addition to Any DIY Enthusiast Toolbox and Can Be Used for a Variety of Home Projects