Sutton HSS Step Drill Bit Set – 3-Piece Spiral Design with 9–14 Steps (4–12 mm, 4–20 mm, 4–30 mm)

Description

• For use in sheet metal, aluminium, plastic & fibre glass, ideal for sheet metal without pre-drilling.
• During drilling, the next step deburrs the previously drilled hole.

Features

• Fixed Drilling Steps: Spiral Flute for reduced vibration and greater control through steps.
• Made from HSS: Constructed from M2 high-speed steel offering the best combination of strength, heat & wear resistance.
• Flat Shank: Three flats suits 3-jaw chuck

Specifications

• Steps: 9 / 9 / 14
• Range: 4-12mm / 4-20mm / 4-30mm
• Sizes: 4, 5, 6, 7, 8, 9, 10, 11, 12mm / 4, 6, 8, 10, 12, 14, 16, 18, 20mm / 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28,30mm
• Material: HSS
• Shank Form: Flat.
• 3 Piece

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