4mm - 52mm Metric HSS - G Step Drill Cone Conical Cutter Drill Drilling Bit

Professional step drill set for commercial or occasional use

4mm = 52mm step drill

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

Total length of the shank – 25mm

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

INCLUDES THE FOLLOWING SIZE DRILLS / STEPS

• DRILL STEPS – 4mm, 8mm, 12mm, 16mm, 20mm, 24mm, 28mm, 32mm, 36mm, 40mm, 44mm, 48mm and 52mm