4-1/8 L High Speed Steel Letter I Drill Bit Straight Shank 1 Pk

The Irwin 81309Z is a Letter I high-speed steel drill bit designed for precision drilling in a wide variety of materials and applications. This straight-shank bit delivers reliable performance for both professional contractors and DIY enthusiasts who need consistent, accurate hole placement. Whether you're working on cabinetry, furniture assembly, equipment maintenance, or general construction tasks, this drill bit provides the strength and durability needed to handle demanding drilling jobs.

High-speed steel construction makes this bit suitable for drilling through tough materials while maintaining performance and longevity. The straight-shank design ensures compatibility with most standard power drills and drilling equipment, providing a secure fit and optimal performance. At 4-1/8 inches long, this drill bit offers the reach necessary for various drilling depths and applications.

Features and Benefits

• High-Speed Steel Material: Made from HSS for strength and durability, enabling reliable drilling across a variety of applications.
• Straight Shank Design: Compatible with a wide range of power drills and drilling chucks, ensuring a secure fit and reliable performance across your tools.
• Letter I Size: The Letter I specification provides precision hole sizing for various drilling needs.
• Extended Length: The 4-1/8 inch length provides the reach needed for various drilling depths and hard-to-access locations.
• Consistent Performance: Delivers reliable drilling results for both professional and DIY projects.

Specifications

• Brand: Irwin
• Model: 81309Z
• Drill Bit Size: Letter I
• Material: High-Speed Steel (HSS)
• Shank Type: Straight
• Overall Length: 4-1/8 inches
• Quantity: 1 Drill Bit per Package