5-Piece Step Drill Bit Set – HSS 4241 High-Speed Steel with Aluminum Case

One set. Dozens of hole sizes. Faster, cleaner, and more precise drilling.

This 5-Piece Step Drill Bit Set is designed for professionals and DIY users who want maximum efficiency without constantly changing drill bits. Each step bit replaces multiple traditional bits, saving time, space, and effort on every job.

High-Performance Cutting Power

Manufactured from HSS 4241 high-speed steel with a cobalt and titanium coating, these step drill bits deliver excellent durability, reduced friction, and cooler drilling. The result is faster penetration, smoother cuts, and extended tool life.

Fast, Smooth & Accurate Drilling

The dual-flute design ensures efficient chip removal and clean hole edges, making these bits ideal for precision work in thin materials. Perfect for electricians, HVAC technicians, metalworkers, and home projects.

Secure Fit & Better Control

Larger bits feature a three-flat shank, while smaller bits use a hex shank, preventing slippage in the chuck and improving stability during drilling.

Wide Range of Applications

• Thin steel and iron sheets
• Aluminum and brass
• Carbon steel
• Wood and PVC (up to 5mm thickness)
• Plastic and insulation panels

Why Choose Step Drill Bits?

• Replaces up to 50 traditional drill bits
• Clean, burr-free holes with a single tool
• Less tool changes, faster workflow
• Ideal for repetitive drilling tasks

Technical Specifications

• Material: HSS 4241 High-Speed Steel
• Coating: Cobalt & Titanium
• Quantity: 5 step drill bits
• Recommended Material Hardness: Up to 25 HRC
• Packaging: Durable aluminum storage case

Who This Set Is For

• HVAC technicians
• Electricians
• Metalworkers
• Woodworkers
• DIY and home improvement users

If you want faster drilling, cleaner holes, and fewer tool changes, this step drill bit set is an essential upgrade for your toolbox.

5-Piece Step Drill Bit Set – One Tool. Multiple Sizes. Professional Results.