Total TAC7542201 Step Drill Bit 4-22mm

The Total TAC7542201 Step Drill Bit is a multi-size drilling accessory designed for creating clean, progressively larger holes in thin metal sheets and similar materials. Made from HSS 4341 with a titanium finish, it supports efficient drilling performance and improved wear resistance for fabrication, electrical, and installation work.

Key Benefits

• Step drilling design covers multiple hole sizes with one bit
• HSS 4341 construction supports reliable cutting performance
• Titanium finish helps improve wear resistance and cutting efficiency
• Round shank for common drill chuck compatibility
• Packaged in double blister for protection and retail display

Product Overview

Step drill bits are widely used for drilling and enlarging holes in thin-gauge materials with better control compared to standard twist drills. The Total TAC7542201 provides step sizes from 4mm up to 22mm, making it suitable for tasks such as conduit knockouts, panel preparation, and fabrication drilling.

This bit is commonly used by electricians, sheet-metal fabricators, and maintenance teams for fast sizing without frequent bit changes. For best results, use appropriate drilling speed and cutting lubricant when drilling metal.

Ideal Applications

• Drilling and enlarging holes in thin metal sheets
• Electrical panel and enclosure preparation
• Fabrication work on light-gauge steel and aluminum
• HVAC and general installation drilling tasks

Technical Specifications

What’s Included

• 1 pc Total TAC7542201 Step Drill Bit 4–22mm

Learn more about our Warranty Policy or contact KHM Megatools for professional assistance.