Halls MC 10M High-Speed Steel Step Drill 4-30mm | MC10M

Halls MC10M HSS Step Drill Bit, 4–30mm Range (13mm Shank)

Halls MC10M is a high-speed steel step drill bit designed for fast, controlled hole making in sheet metal up to the stated maximum thickness. It’s ideal for electricians, fabricators and maintenance teams who want multiple hole sizes from one cutter, helping reduce bit changes and keep work moving.

With a stepped profile covering 4–30mm, the MC10M is a practical choice for enlarging existing holes and producing clean, repeatable diameters for conduit, cable entries and general metalwork tasks.

Key Features

• 4–30mm stepped size range: Covers common hole diameters from a single drill bit for efficient metalworking.
• Parallel hole sizes: Stepped design helps produce consistent diameters when opening out holes in thin sheet.
• High-speed steel (HSS) construction: Suitable for metal drilling applications where durability and cutting performance matter.
• Sheet metal capability: Designed for use on sheet metal up to 4mm thick.
• 13mm shank: Fits drill chucks sized to accept 13mm shanks.

Specifications at a glance