TOTAL Step Drill Bit 4–22mm TAC7542201 | Multi-Size Bit

The TOTAL Step Drill Bit 4–22mm TAC7542201 offers precise drilling across multiple diameters with a single tool. Designed for professionals, this bit efficiently drills clean holes ranging from 4mm to 22mm, reducing the need to switch bits. Its stepped design ensures smooth transitions between hole sizes, enhancing accuracy and saving time on the job. Ideal for metal, plastic, and wood, this durable bit delivers consistent performance for a variety of applications.

About this item

One Bit. Many Sizes.
The TOTAL TAC7542201 Step Drill Bit lets you drill multiple hole sizes (from 4mm to 22mm) using a single tool. Ideal for sheet metal, aluminum, plastic, and more.

Made of high-speed steel (HSS), the bit features a tapered design that ensures smooth transitions between sizes with minimal burrs and no need for deburring.

It’s a favorite among electricians, installers, and DIYers for its versatility and accuracy.

Specifications:

• Model: TAC7542201

• Type: Step drill bit

• Size Range: 4mm to 22mm

• Material: HSS (High-Speed Steel)

• Steps: Multiple stepped sizes (e.g., 10 sizes)

• Shank Type: Round or hex – fits most drills

• Application: Thin metal, plastic, electrical panels

Key Features:

• One drill bit for many hole sizes

• Great for electrical, metal, and plastic work

• Smooth, clean drilling without rough edges

• Durable HSS material for long life

• Fast, efficient drilling with minimal resistance

Perfect For:

• Electricians and installers

• Metalworkers and fabricators

• DIY enthusiasts

• Industrial and workshop use

• Panel box drilling and hole enlargement