4-12Mm 4-20Mm 4-32Mm 3-Piece Step Drill Bit Set

4-12Mm 4-20Mm 4-32Mm 3-Piece Step Drill Bit Set designed for clean, controlled drilling across wood, plastic, and sheet metal. This three-piece set gives you multiple step sizes in one compact kit, making it easier to create progressively larger holes without constantly changing tools.

The bits are built in a stepped cone shape, which helps you work with more control and a cleaner finish on thin materials. The visible size markings on each bit make selection quick, so you can move from small pilot openings to wider cuts with less guesswork. For workshop use, repair jobs, and general DIY drilling, this set is a practical choice when you want a simple multi-size solution.

Practical three-piece coverage. The set covers 4-12Mm, 4-20Mm, and 4-32Mm ranges, giving you flexibility for different hole sizes and job types. The gold-tone finish also gives the bits a professional look while helping them stand out clearly in your tool collection.

Built for common materials. Suitable for wood, plastic, and metal, these step drill bits are useful for installers, handymen, and home users who need a versatile drilling accessory for everyday projects.

Perfect for:

• DIY projects: A handy drill bit set for light workshop and home repair tasks.
• Installers: Useful for creating stepped holes in thin metal and plastic panels.
• Tool kits: A compact addition when you want multiple drill sizes in one pack.
• General use: Good for users who want a simple, multi-size drilling solution.