Irwin 73628zr Turbomax Drill Bit, 7/16 In. X 5-1/2 In., High Speed Steel

The Irwin 73628ZR Turbomax drill bit is a high-speed steel jobber bit designed for fast, accurate drilling in wood, metal, and plastic. The gold Turbomax tip stays sharper longer and drills up to 28% quicker than conventional bits, helping you complete projects efficiently while producing clean, burr-free holes. The self-centering jet point prevents bit walking on both straight and curved surfaces, ensuring exact hole placement every time.

With a 7/16-inch diameter and 5-1/2-inch overall length, this jobber-length bit offers the reach and stability needed for versatile drilling applications. The reduced 3/8-inch shank fits standard 3/8-inch drill chucks, and the three-flatted shank design grips securely in the chuck to eliminate slippage during use. Whether you're a professional contractor or DIY enthusiast, this reliable bit delivers the precision and performance required for accurate drilling.

Features and Benefits

• Turbomax Gold Tip: The revolutionary tip design drills faster and stays sharper longer than leading competitors, reducing drilling time by up to 28%.
• Burr-Free Holes: The Turbomax tip design creates clean, burr-free holes for professional results.
• Self-Centering Jet Point: Exact centering prevents the bit from walking on both straight and curved surfaces, ensuring accurate hole placement.
• Three-Flatted Shank: The three-flat shank profile on 3/16 inch and above provides superior chuck grip and reduces slippage during drilling.
• High-Speed Steel Construction: Premium material offers superior strength, heat resistance, and wear resistance for tough drilling tasks.
• Jobber Length Design: The 5-1/2-inch length provides the reach needed without sacrificing stability, with a 3/8-inch reduced shank that fits all standard 3/8-inch drill chucks.

Specifications

• Brand: Irwin
• Model: 73628ZR
• Bit Diameter: 7/16 inch
• Overall Length: 5-1/2 inches
• Shank Diameter: 3/8 inch (reduced)
• Shank Type: 3-flatted reduced shank
• Material: High-speed steel
• Flute Type: Spiral flute
• Bit Length Classification: Jobber length
• Tip Color: Gold