Halls XS412 High-Speed Steel Step Drill 4-12mm | XS412

Halls XS412 HSS Step Drill Bit (4–12mm) with 1/4" Hex Shank

Halls XS412 is a high-speed steel step drill bit designed for controlled enlargement of holes up to 12mm, helping you work efficiently when you need multiple sizes from a single bit. Ideal for trade and DIY users, it covers common diameters in one compact, easy-to-change accessory.

With a 1/4" hexagon shank, the XS412 fits quick-change bit holders and many drill chucks, making it a practical choice for frequent bit changes and tidy toolbag organisation.

Key Features

• 4–12mm step range: Covers five commonly used hole sizes in one bit (4, 6, 8, 10 and 12mm) to reduce tool changes.
• High-speed steel (HSS): Built for metal drilling applications where durability and consistent cutting are important.
• Stepped design: Makes it straightforward to open out existing holes progressively to the size you need.
• 1/4" hexagon shank: Suitable for quick-change holders and secure grip in many drill chucks.

Specifications at a glance

Suitable applications

• Opening out existing holes in metal to common metric diameters up to 12mm.
• Jobs where quick bit changes are helpful, using a 1/4" hex bit holder.
• General workshop tasks requiring multiple hole sizes from one drill bit.