Sutton 3 Piece 4-12, 4-20, 4-30mm HSS Spiral Flute Step Drill Set - D504SET3

Sutton 3 Piece 4-12, 4-20, 4-30mm HSS Spiral Flute Step Drill Set  - D504SET3

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

Range:

• 4-12mm
• 4-20mm
• 4-30mm