step drill set 4-12 4-22 4-30mm straight flute metal box packed Step drill bits allow you to quickly and easily drill

     Step drills are not intended for use on wood ,however,one particular use for these drills is with sheet-metal work.When the need for multiple sized holes would require the user to change drill bits over and over, step drills save time and expense in many cases over conventional drill bits.Use a drill bit with step increments slightly larger than the materials thikness that is to be drilled, by design,step drills are limited to use on thin material.

      Beyoned being a versatile drill bit,step drill can also serve as a countersink,wich llows for screw adn fasteners to be drilled below the surface.Counterboring is another use for these bits.

      This 3pc set comes in a metal box and is made of H.S.S. and surface polishing.       Laser marked and two flute design allow for less vibration and greater control.       These are ideal for cutting copper, brass, aluminum, plastic, wood and mild steel.       This set includes sizes:  4-5-6-7-8-9-10-11-12mm

                                                   4-6-8-10-12-14-16-18-20-22mm

                                                   4-6-8-10-12-14-16-18-20-22-24-26-28-30mm

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