HSS Cobalt Step Drill Bit Set – 5-Piece, 50 Sizes + Case

HSS 4241 Cobalt Step Drill Bit Set – 5-Piece, 50 Sizes with Aluminum Storage Case

Tackle any drilling project with confidence using this professional-grade HSS 4241 Cobalt Step Drill Bit Set. Featuring 5 step drill bits covering 50 imperial sizes, this versatile kit is built for clean, precise holes in metal, wood, plastic, and thin sheet materials. Whether you're a seasoned tradesperson or a weekend DIY enthusiast, this set delivers the performance and durability you need.

Key Features

• 5-Piece Comprehensive Set: Covers a wide range of imperial sizes to handle virtually any hole-cutting or drilling task.
• HSS 4241 Cobalt Construction: High-Speed Steel with cobalt alloy ensures exceptional hardness, heat resistance, and long-lasting cutting performance.
• Double Straight Flute Design: Efficiently channels debris away from the cutting zone for smooth, fast, and clean drilling with minimal clogging.
• Universal Hex Shank: Fits securely in most standard power drills and impact drivers for a stable, slip-free grip during operation.
• Multi-Material Versatility: Ideal for deburring, chamfering, and drilling holes in metal, wood, plastic, and thin sheet materials.
• Portable Aluminum Storage Case: Comes with a sturdy, compact aluminum case to keep your bits organized, protected, and ready for use on any job site.

Package Includes

• 5 × HSS 4241 Cobalt Step Drill Bits (50 imperial sizes total)
• 1 × Aluminum Storage Case

Specifications

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Frequently Asked Questions

Q: What materials can these HSS cobalt step drill bits cut through?

A: These HSS 4241 cobalt step drill bits are designed for use on a wide variety of materials including metal (steel, aluminum, copper), wood, plastic, and thin sheet materials. The cobalt alloy construction provides the hardness needed to handle tough metals with ease.

Q: Are these step drill bits compatible with standard power drills?

A: Yes! The universal hex shank design ensures compatibility with most standard power drills and impact drivers, providing a secure and stable connection during drilling.

Q: How many hole sizes does this set cover?

A: This 5-piece set covers a total of 50 imperial sizes, making it one of the most comprehensive step drill bit sets available for both professional tradespeople and DIY enthusiasts.

Q: Does the set come with storage?

A: Yes, the set includes a compact and sturdy aluminum storage case that keeps all 5 bits organized, protected from damage, and easy to transport to any job site or workshop.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.