1/8”-1/2” AlTiN Coated Spiral Step Drill Bit with 1/4″ Hex Shank for Metal

Precision Meets Power for Effortless Metal Drilling

Get smooth, clean, and precise holes every time with this premium AlTiN Coated Spiral Step Drill Bit. Designed for professionals and DIY enthusiasts alike, this tool combines speed, durability, and accuracy in one compact bit. Whether you’re working with stainless steel, aluminum, brass, or plastic, this drill bit ensures performance that lasts.

Featuring 13 step sizes ranging from 1/8″ to 1/2″, it eliminates the need to switch between multiple bits, saving you time and effort. The spiral flute design ensures efficient chip removal and reduces friction, while the triple-flute C-profile design keeps drilling stable and prevents bit wandering. Ideal for metalworking projects that demand precision and consistency.

Key Features

• 13-Step Versatility: Covers a wide range of hole sizes from 1/8″ to 1/2″ in one tool.
• Spiral Flute Design: Enhances chip clearance and ensures smoother, faster drilling.
• M35 Cobalt High-Speed Steel: Engineered for superior hardness and toughness to handle hard metals.
• AlTiN Coating: Withstands extreme heat (up to 900°C) for exceptional wear resistance and long tool life.
• 1/4″ Hex Shank: Provides secure grip and compatibility with standard drills for quick bit changes.

Why You’ll Love It

• One Bit, Many Sizes: Perfect for quick adjustments when drilling through varying material thicknesses.
• Clean Cuts Every Time: The C-profile cutting edge delivers smooth, burr-free holes.
• Longer Bit Life: AlTiN coating protects against heat, corrosion, and friction, making it outlast standard coatings.
• Versatile Use: Works great on metal sheets up to 1/8″ thick and stainless steel up to 1mm thick—ideal for construction, fabrication, and repair tasks.
• Easy to Control: Designed to reduce slippage and deviation, even on tough surfaces.

When to Use

This step drill bit is best used for precision metal drilling tasks—whether you’re enlarging holes, shaping panels, or creating custom fittings. Perfect for automotive work, HVAC installation, electrical projects, or any metal fabrication job requiring accuracy and efficiency.

Make Every Drill Count

Take your drilling performance to the next level with this wear-resistant, heat-toughened step drill bit. Its cutting-edge design and premium materials deliver consistent results that save time, energy, and cost. Add this bit to your toolkit today and experience professional-grade drilling with every turn.

Upgrade your tools. Drill smarter, faster, and cleaner — every time.