4mm - 35mm HSS - G Step Drill Cone Conical Cutter Drill Bits 5pc Set In Case

Regular price £26.90 GBP Sale price £26.90 GBP
In stock: 8
SKU: AU907
Professional step drill set for commercial or occasional use

4mm – 35mm step drills

5pc step drill set

A set of 5 different step drills, stepped cone cutters

Step drills offer a significant advantage over cone drills because they offer a positive stop when a hole reaches a certain size

Cuts a perfectly round hole in sheet metal

Saves time as you don’t have to keep changing the dill size for a larger hole to be drilled

Works perfectly on drilling holes in a number of materials including steel, copper, aluminium, plastic etc...

Self – starting penetrate, no working and no pilot drill required

Manufactured from HSS for maximum strength and durability

12mm flat shanks so suitable for use in most drilling machines, whether, electric, battery or air

Double flutes make a perfectly round hole and automatically deburr as you drill

For complete performance each time please ensure that the drills are well lubricated, especially when drilling aluminium

HRC 62 Drills

Self starting design


• DRILL 1 STEPS – 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm and 12mm
• DRILL 2 STEPS – 4mm, 6mm, 8mm, 10mm and 12mm
• DRILL 3 STEPS – 6mm, 8mm, 10mm, 12mm, 14mm, 16mm and 18mm
• DRILL 4 STEPS – 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm and 22mm
• DRILL 5 STEPS – 6mm, 8mm, 10mm, 13mm, 16mm, 19mm, 21mm, 23mm, 26mm, 29mm, 31mm, 33mm and 35mm

Comes in metal tin for easy storage and transportation