5 - 35mm step drill.

• 13mm shank diameter
• 24mm shank length
• Precision made step drill
• Made from high quality speed steel
• Heat treated for increased hardness
• Ideal for drilling non-ferrous metals, sheet metal and PVC

A step drill bit can be used to drill a range of different sized holes with a single bit. Since each bit size drill holes less than 1/4″ deep, a step bit is mainly used for drilling thin material such as sheet metal.