IMPA: 633802

Step Drill ST-2 — Multi-Size Hole Cutter 6–18 mm

The Step Drill ST-2 is a versatile multi-size hole cutter designed for marine and industrial applications. Made from heat-treated alloy steel, it delivers clean, precise holes in steel, stainless steel, plastic, and wood. With a stepped conical design, this single tool replaces multiple twist drills, eliminating the need for frequent bit changes and boosting productivity on the job.

Each step is clearly marked with its diameter (6, 8, 10, 12, 14, 16, 18 mm) for quick, accurate sizing. The maximum hole depth of 5 mm per step is ideal for sheet metal, panel work, and pipe installations. The cutting edges are hardened for long life and smooth chip evacuation, making the ST-2 a reliable choice for shipyards, electrical cabinet fabrication, metalworking, and automotive repairs.

Key Features

Technical Specifications

SpecificationDetails
ModelST-2
IMPA Code633802
Size Range6, 8, 10, 12, 14, 16, 18 mm
Max Hole Depth per Step5 mm
MaterialHeat Treated Alloy Steel
TypeStep Drill
Applicable MaterialsSteel, Stainless Steel, Plastic, Wood

Frequently Asked Questions

What materials can the Step Drill ST-2 cut?

It cuts steel, stainless steel, plastic, and wood, making it suitable for a wide range of marine and industrial applications.

How deep can each step drill?

Each step has a maximum drilling depth of 5 mm, which is ideal for sheet metal and panel work.

Is the step drill marked with sizes?

Yes, each step is clearly marked with its diameter in millimeters (6, 8, 10, 12, 14, 16, 18 mm) for easy identification.

Can this step drill replace multiple twist drills?

Absolutely. Its stepped design allows you to drill multiple hole sizes without changing bits, saving time and increasing efficiency.

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