1/4-3/4 UNIT BIT - Irwin

The IRWIN 1/4-3/4 UNIT BIT (Model 10233) is a professional-grade step drill engineered for technicians and mechanics who demand efficiency and precision in their drilling tasks. This versatile tool, also recognized by the identifier 261632, consolidates multiple drill bit sizes into one compact solution, streamlining workflow and minimizing bit changes, making it an indispensable addition to any professional toolkit. This unitbit is ideal for a range of automotive and industrial applications.

Key Features

• Versatile Drilling Range: Precisely drills clean holes from 1/4 inch to 3/4 inch in diameter through 9 distinct steps, accommodating diverse project requirements with a single tool.
• Precision Single-Flute Design: Engineered with a single-flute cutting edge to ensure true, round holes and provide maximum control during drilling, effectively minimizing vibration and burr formation on materials.
• Self-Starting SpeedPoint Tip: Features an advanced SpeedPoint tip for faster initial penetration and to prevent bit walking, eliminating the need for pre-drilling or center punching, enhancing productivity.
• Durable High-Speed Steel (HSS) Construction: Manufactured by IRWIN HANSON from robust high-speed steel, ensuring extended tool life and consistent, reliable performance even in demanding industrial and automotive environments.
• Secure Hex Shank: The hex shank design prevents slipping within the drill chuck, providing a stable and secure grip for enhanced safety and drilling accuracy, even under high torque.

Applications

This IRWIN unit bit is ideal for a broad spectrum of professional applications, serving as a reliable alternative to traditional unit bits for various tasks:

• Metal Fabrication: Efficiently drills through thin materials such as sheet metal, aluminum, brass, copper, and stainless steel, perfect for precise hole creation in automotive bodywork or industrial component fabrication.
• Electrical Installations: Creates pilot holes and enlarges openings for conduit, wiring, and other electrical components in control panels, vehicle electrical systems, and commercial installations.
• HVAC Systems: Used for installing ducts, vents, and fittings in various materials commonly found in HVAC systems, ensuring clean and accurate openings.
• Plastics and Composites: Effectively drills clean holes in materials like plastic, plexiglass, wood, and laminates without cracking or chipping, critical for interior automotive work or specialized enclosures.
• General Workshop Use: A dependable solution for any professional environment requiring multiple hole sizes with a single, high-performance tool.

Specifications

• Manufacturer: Irwin
• Model Number: 10233
• Product Name: 1/4-3/4 UNIT BIT
• Drilling Range: 1/4 inch to 3/4 inch (9 steps)
• Shank Diameter: 3/8 inch
• Weight: 0.15 - 0.18 lbs
• Dimensions: Approximately 1 x 1 x 3 inches