SUTTON 4-12mm 9-Step HSS Spiral Flute Step Drill Bit

SUTTON TOOLS® D504-Series Step Drills are an industrial quality solution for users wanting to incrementally increase holes in a controlled manner. They are ideal for use in sheet metal, without the need for pre-driling.

They are suitable for use in sheet metal, aluminium, plastics and fibreglass.

During the drilling process, the next step deburrs the previously drilled hole.

Features

• Fixed Drilling Steps - Incrementally increases hole size in a controlled manner
• Spiral Flute - For reduced vibration and greater control through steps
• Flat Shank - Three flats suits 3-jaw chuck
• Made from M2 High Speed Steel (HSS) - Offering the best combination of strength, heat & wear resistance
• Bright Finish - For general purpose applications, non-ferrous metals & plastics

Specifications

• Steps: 9-Step
• Diameters: 4-12 mm
• 4.0 mm
• 5.0 mm
• 6.0 mm
• 7.0 mm
• 8.0 mm
• 9.0 mm
• 10.0 mm
• 11.0 mm
• 12.0 mm
• Cylindrical Flatted