EFFICERE 8-Piece Premium 1/2 Inch Reduced Shank Deming Drill Bit Set – M2 HSS, 135-Degree Split Point, 9/16 in to 1 in increments, Aluminum Case

Overview

The EFFICERE 8-Piece Drill Bit Set is designed for larger-diameter holes across a variety of materials. Whether you’re working in woodworking, automotive tweaks, metal fabrication, or DIY projects, these bits offer a reliable option for clean starts and steady drilling. The set blends precision with practical design to help you approach large-hole tasks with confidence and control.

What makes these bits stand out

• Industrial-grade M2 cobalt high-speed steel for excellent rigidity and long life under demanding use.
• 135-degree split point at the tip for self-centering starts and reduced wandering, even when starting on tough or uneven surfaces.
• Twist blade with a deep groove design to efficiently clear chips, minimizing clogging and heat buildup.
• 1/2-inch reduced shank compatibility with a wide range of drill presses and power tools for versatile use.
• Tri-flatted shank end grips securely in chucks, helping to prevent slipping during operation.
• Includes a durable aluminum carry case for organized storage and quick transport between jobs.

Coating and durability

• A dual coating in gold titanium and black nitride enhances lubricant retention for smoother drilling and improved wear resistance.
• The coating delivers increased durability and corrosion resistance compared with standard finishes, supporting heavy-duty applications.

Sizes and what you get

• 9/16 inch
• 5/8 inch
• 11/16 inch
• 3/4 inch
• 13/16 inch
• 7/8 inch
• 15/16 inch
• 1 inch

Practical use and tips

These bits are suited for wood, plastic, aluminum, copper, cast iron, mild steel, stainless steel, and sheet metals. Expect faster starts, minimized walking, and smoother progress when paired with proper feed rates and adequate lubrication. For best results, use a steady hand and moderate speed on materials that are prone to grabbing.