HSS Titanium Coated Step Drills / Cone Cutter / Drill Bits 3pc 4mm - 30mm AT206

Professional tools for commercial or occasional use.

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

HSS Titanium coated drills for maximum strength

With a cone drill it is easy for it to dig in and make a hole that is too large.

A set of 3 step drills / stepped cone cutters.

Cuts a perfectly round hole in sheet metal.

-Works perfectly on drilling holes into thin materials such as steel, copper, aluminium, plastic

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

-Self-starting penetrate, no working and no pilot drill needed.

3PC SET INCLUDES THE FOLLOWING

1. SMALL STEP DRILL - 4 - 12mm in 1mm increments
2. MEDIUM STEP DRILL - 4mm - 20mm in 2mm increments
3. LARGE STEP DRILL - 4mm - 30mm in 2mm increments

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

Complete in metal tin / case for easy storage and transportation