3 Piece Step Drill Bit Set

This high-speed steel step drill bit set includes three bits covering ranges from 1/8 to 1/2 inch, 1/4 to 3/4 inch, and 3/16 to 7/8 inch. Crafted from heat-treated M35 cobalt high-speed steel and finished with a durable TiAlN coating, each bit provides exceptional hardness, wear resistance, and extended tool life.

Featuring a 118-degree split point tip and a four-flute spiral design, these bits deliver precise starts, minimize walking, and ensure fast chip removal for clean, burr-free holes. The universal 1/4-inch hex shank allows for quick and secure bit changes across standard power drills and impact drivers.

Key Features

Highlights

• Professional 3-Piece Set: The step drill bit set includes a 13-step bit(1/8-1/2 in) for electronic enclosures, a 9-step bit(1/4-3/4 in) for mechanical assembly, and a 12-step bit (3/16-7/8 in) for mixed ranges, meeting diverse drilling needs
• Long-Lasting Sharpness: The step bit set is made of cobalt high-speed steel with an AlTiN coating to withstand wear and stay sharp. It is ideal for stainless steel, metal sheets, and other tough materials
• Optimized Cutting Angle: The step drill bits feature a 118° tip and four-flute design, ensuring fast chip clearing, less heat buildup, and clean, burr-free holes in wood, plastic, and fiberglass
• Universal Quick-Change Shank: Hex shank design fits almost all standard drills for quick, secure bit changes. These step drill bits for metal are compatible with a wide range of power tools
• Wide Application: For materials up to 1/8" (3 mm) thick, this metal step drill bit works seamlessly on stainless steel, sheet metal, wood, plastic, and fiberglass. It is essential for both home renovation and industrial applications

Compatibility

Compatible with standard power drills, drill presses, and impact drivers equipped with a 1/4-inch hex chuck.

What's included

• 1 x 13-Step Drill Bit (1/8" - 1/2")
• 1 x 9-Step Drill Bit (1/4" - 3/4")
• 1 x 12-Step Drill Bit (3/16" - 7/8")