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