C.K Tools T3014 HSS Step Drill Bit 6-26 mm, 10 Steps, 3-Flat Shank, 80 mm Length

Drill clean, perfectly round holes in sheet metal, non-ferrous metals, and plastics with this C.K Tools step drill bit, featuring a 6–26 mm diameter range across 10 steps in 2 mm increments. The self-centring point and 3-flat shank ensure accurate starts and no slippage in the chuck, while the high-speed steel construction delivers long-lasting performance.

Overview

The C.K Tools T3014 is a professional-grade step drill bit engineered for fast, burr-free drilling in thin materials up to 4 mm thick. Its 10-step profile allows you to create multiple hole sizes with a single tool, eliminating the need for multiple twist drills. The 3-flat shank provides a secure grip in standard drill chucks, preventing rotation under load. At 80 mm overall length, it offers excellent reach and control for panel work, electrical installations, and HVAC applications.

What stands out

• Wide 6–26 mm range covers the most common hole sizes for conduit, cable glands, and pipe entries.
• Self-centring tip starts on contact, reducing walking and the need for centre punching.
• Uncoated HSS body is easy to resharpen and ideal for use on soft metals and plastics.
• Single-flute design clears chips efficiently, preventing clogging and overheating.
• Deburrs and reams as it steps, leaving clean edges without secondary operations.

Technical details

• Drill bit type: Step drill bit
• Material: High Speed Steel (HSS)
• Drilling diameter range: 6–26 mm
• Number of steps: 10
• Step increments: 2 mm
• Overall length: 80 mm
• Shank type: 3-Flat Shank
• Shank diameter: 10 mm
• Maximum material thickness: 4 mm
• Coating: Uncoated
• Point type: Self-centring
• Recommended materials: Sheet metal, non-ferrous metals, plastics
• Application: Drilling, deburring, reaming
• Packaging quantity: 1 piece

Our verdict

For electricians, plumbers, and metal fabricators who need a reliable step drill for thin stock, the C.K Tools T3014 delivers precision and durability in a compact package. Its 3-flat shank and self-centring tip make it a true time-saver on the job site.