Spiral Flute

Alpha ThunderMax Step Drill Spiral Flute 6-30mm Metric 13 Steps 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, & 30mm 10.0mm Hex Shank Bulk - 1 piece convenient plastic pack Self-Starting Split Point removes the need for a pilot hole Tempered Black...

Alpha ThunderMax Step Drill Spiral Flute 4-20mm Metric 9 Steps 4, 6, 8, 10, 12, 14, 16, 18 & 20mm 8mm Hex Shank Bulk - 1 piece convenient plastic pack Self-Starting Split Point removes the need for a pilot hole Tempered Black Finish maximises...

Alpha ThunderMax Step Drill Spiral Flute 4-20mm Metric 1/4" Impact Shank 9 Steps 4, 6, 8, 10, 12, 14, 16, 18 & 20mm 1/4" Hex Shank Bulk - 1 piece convenient plastic pack Self-Starting Split Point removes the need for a pilot hole Tempered Black...

Alpha ThunderMax Step Drill Spiral Flute - 4-12mm Metric 9 Steps 4, 5, 6, 7, 8, 9, 10, 11 & 12mm 6mm Hex Shank Bulk - 1 piece convenient plastic pack Self-Starting Split Point removes the need for a pilot hole Tempered Black Finish maximises...

The Alpha Step Drills are premium industrial grade.  2 Flute Spiral Step Drill 4-12mm Drills & deburrs in one process Ideal for: Non-ferrous metals, sheet steel, plastic & stainless steel up to 3mm thick Suits: Non-hammer action portable...

The Alpha step Drills are premium industrial grade 2 Flute Spiral Step Drill 6-36mm Drills & deburrs in one process Ideal for: Non-ferrous metals, sheet steel, plastic & stainless steel up to 3mm thick Suits: Non-hammer action portable power...