High Speed Steel Fractional Self-Starting, 12 steps, 3/16-7/8 In - Unibit

The Unibit 10234 High Speed Steel Fractional Self-Starting Step Drill Bit provides professional technicians and mechanics with a reliable solution for creating precise, burr-free holes in thin materials. This 12-step drill bit, ranging from 3/16" to 7/8", streamlines operations by consolidating multiple sizes into a single, durable tool, optimizing efficiency across various applications.

Key Features

• Self-Starting SpeedPoint Tip: Enables rapid and accurate hole initiation without the need for a pilot hole, preventing bit walking on diverse surfaces.
• Single-Flute Cutting Edge: Offers enhanced control and clean, burr-free holes with efficient material removal through each drilling step.
• Secure Hex Shank Design: Engineered for a firm fit in drill chucks, eliminating slippage during high-torque applications for improved safety and operational efficiency.
• High-Speed Steel Construction: Manufactured from durable, professional-grade high-speed steel for extended tool life and superior resistance to wear in demanding work environments.
• Versatile 12-Step Range (3/16" - 7/8"): This comprehensive range of fractional hole sizes consolidates multiple drill bits into a single, convenient tool, optimizing workflows and reducing changeover time.

Applications

This Unibit step drill is engineered for professional applications requiring clean, accurately sized holes in a variety of thin materials. It is particularly effective for automotive sheet metal work, custom fabrication, HVAC installations, electrical box cutouts, and general metalworking tasks. Suitable materials include stainless steel, copper, brass, aluminum, plastics, and laminates. For the dedicated builder or fabricator, including the winobit3.4builder enthusiast, this tool delivers consistent precision and durability.

Specifications

• Manufacturer: Unibit
• Model Number: 10234
• Material: High Speed Steel
• Steps: 12
• Drill Diameter Range: 3/16" - 7/8"