DRILL BIT #3 - Irwin

The Irwin 81103 #3 Drill Bit is engineered for professional technicians and mechanics requiring precision and durability in demanding automotive and industrial applications. Crafted from M-2 high-speed steel, this jobber-length drill bit delivers a robust combination of strength, heat resistance, and wear resistance, ensuring reliable performance in various materials. Its design prioritizes accuracy, making it an indispensable tool for drilling exact-sized holes.

Key Features

• M-2 High-Speed Steel Construction: Manufactured from M-2 high-speed steel, this drill bit provides superior strength, heat resistance, and wear resistance for extended tool life in challenging materials.
• Precision Wire Gauge Sizing: The #3 wire gauge diameter (0.2130" / 5.41mm) is ideal for applications requiring precisely sized holes, including pre-drilling for tapping operations.
• 118° Standard Point: Features a standard 118° point angle designed for fast and clean penetration across a wide range of materials.
• Straight Shank Design: The straight wire gauge shank ensures a secure and accurate fit in standard drill chucks, promoting stable drilling and reducing slippage.
• Bright Finish: A bright, uncoated finish allows for easy size identification and reduces material build-up during use.

Applications

This Irwin #3 drill bit is a versatile tool suitable for general-purpose drilling across various materials, including mild steel, aluminum, wood, and plastic. It is particularly effective for automotive maintenance and repair tasks, such as drilling out broken bolts or expanding existing holes, and is also widely used in industrial settings, metal fabrication, and collision centers. Its ability to drill exact-sized holes makes it an excellent choice for pilot holes in tapping applications. Compatible with both portable drills and stationary drill presses, it offers flexibility for diverse professional environments.

Specifications

• Manufacturer: Irwin
• Model Number: 81103
• Product Type: Wire Gauge Drill Bit
• Material: M-2 High-Speed Steel (HSS)
• Drill Size: #3 (0.2130" / 5.41mm)
• Overall Length: 3-3/4" (95.25mm)
• Flute Length: 2-1/2"
• Shank Type: Straight Wire Gauge Shank
• Point Angle: 118°
• Finish: Bright (Uncoated)
• Hand Style: Right Hand