Step Drill Set, 4mm to 30mm, High Speed Steel, Set of 3

Three-piece stepped cone drill set manufactured from high-speed steel, resulting in long tool life and extra durability.

Features and Benefits
• Three-piece stepped cone drill set - each step produces specific-sized, parallel holes, with the maximum material thickness being determined by the length of the step
• Manufactured from high-speed steel
• Long tool life and extra durability
• Designed for use with power tools or pedestal drilling machines and an extensive range of industrial applications
• The drills can produce or enlarge holes in sheet metals without the need for centre punch or pilot holes
• Supplied in a plastic case for easy organisation

Contents
• 4 to 12mm, 9 steps, 6mm shank
• 4 to 20mm, 9 steps, 8mm shank
• 4 to 30mm, 14 steps, 10mm shank

Material Applications
• Sheet metal