Which hole diameters can you drill with this step drill bit?

This step drill bit covers drilling diameters from 6 to 30 mm in thin sheet material and pipes.

What is the shank size of the Hikoki 780103?

It features a 10 mm shank suitable for standard drill chucks of 10 mm and larger.

What are the benefits of the TiAlN coating?

The TiAlN coating reduces heat and tool wear, making it suitable for tough materials like stainless steel, steel, and plastics.

What is the advantage of the spiral flute design?

The spiral flute ensures smooth cutting, optimal chip removal, and reduced burr formation.

Do you need to center punch before drilling?

No, the self-centering tip prevents slipping and eliminates the need for center punching.

HIKOKI 780103 step drill HSS TiAlN 6-30 mm

Name: HIKOKI 780103 step drill HSS TiAlN 6-30 mm
Brand: HIKOKI
SKU: 08061166
Price: 82.4 EUR
Availability: PreOrder

Supplier number: HIKOKI 780103 | EAN 8717574055597

Recommended Retail Price €131.41

82.40 tax incl.

€68.10 excl. VAT (incl. all environmental contributions)

On order: delivered from 17/10/2026

Ordered before 20:00 - delivered as of 17/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Smooth stepped drilling with the Hikoki step drill

Practical benefits

Wide diameter range: You can drill multiple hole sizes from 6 to 30 mm in sheet metal without changing bits.
Heat resistant TiAlN coating: The tough TiAlN coating reduces heat buildup and friction, extending tool life during demanding metalworking tasks.
Secure chuck grip: With the 10 mm shank, you maintain firm hold and steady stability throughout every drilling operation.

In a nutshell

The right choise for

With the Hikoki 780103 step drill bit, you can drill and deburr hole sizes from 6 to 30 mm in thin sheet metal and pipes without changing bits. Its self-centering tip lets you start drilling immediately without center punching. Thanks to the heat-resistant TiAlN coating and spiral flute design, you benefit from reduced friction, smooth chip removal, and extended tool life in tough materials like stainless steel, steel, and plastics. The 10 mm shank fits standard chucks from 10 mm upwards, preventing slipping and ensuring clean, burr-free holes in electrical panels and sheet metalwork.

Product information FAQ

€82.40

tax incl.

Key features according to our expert

Smallest diameter: 6 mm
Largest diameter: 30 mm
Shank size: 10 mm

Product description

Step drill HSS TiAlN D. 6 - 30 MM

All Features

Smallest diameter: 6 mm
Largest diameter: 30 mm
Shank size: 10 mm
Diameter (mm): 6-30
Connection: 10

Brand HIKOKI
08061166
EAN 8717574055597
Supplier number HIKOKI 780103

Frequently asked questions about this product

Answered by specialists

Which hole diameters can you drill with this step drill bit?: This step drill bit covers drilling diameters from 6 to 30 mm in thin sheet material and pipes.
What is the shank size of the Hikoki 780103?: It features a 10 mm shank suitable for standard drill chucks of 10 mm and larger.
What are the benefits of the TiAlN coating?: The TiAlN coating reduces heat and tool wear, making it suitable for tough materials like stainless steel, steel, and plastics.
What is the advantage of the spiral flute design?: The spiral flute ensures smooth cutting, optimal chip removal, and reduced burr formation.
Do you need to center punch before drilling?: No, the self-centering tip prevents slipping and eliminates the need for center punching.