ThunderMax 3 Piece Step Drill Set Straight Flute | 4-12mm, 4-20mm & 6-30mm

Description:
4-12mm | 9 Steps - 4, 5, 6, 7, 8, 9, 10, 11 & 12mm
4-20mm | 9 Steps - 4, 6, 8, 10, 12, 14, 16, 18 & 20mm
6-30mm | 13 Steps - 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 & 30mm

Cut depth: Up to 3mm
Shank: Non-slip 6mm
Suits: Non-hammer action portable power drills
Cutting speed: 400 1,500 RPM

• 2x Life
• Drills & deburrs in one process
• Self-starting split point removes the need for a pilot hole
• Tempered black finish maximises lubricant hold, therefore assisting chip flow & heat dissipation
• Corrosion resistant finish
• 2 flute design for smooth cutting
• Made in UK

Ideal for:
Non-ferrous metals, sheet metal & plastic up to 3mm thick

Tradie Tips:

Lubricate the step drill when drilling metal for extended life

Use a slower speed & heavier feed for manganese & high tensile steels