The Irwin 3016005 is a cobalt drill bit engineered for precision metal drilling in demanding applications. The 5/64-inch diameter bit features a 135-degree split point design that begins drilling immediately upon contact, minimizing bit walk and ensuring accurate hole placement. This jobber-length bit is ideal for tough metal drilling tasks, including heavy-duty abrasive alloy metal drilling on hardened steel, cast iron, and stainless steel.
Cobalt construction with an 8% cobalt mix provides superior heat and abrasion resistance compared to standard high-speed steel. The heavy-duty web construction delivers strength and durability for reliable performance. Whether you’re working on heat-treated materials or challenging abrasive alloys, this drill bit is built to handle the job reliably.
Features and Benefits
- 135-Degree Split Point: Begins drilling immediately to minimize bit walk and ensure accurate, consistent hole placement in metal.
- 8% Cobalt Construction: Provides exceptional heat and abrasion resistance for extended tool life and performance in demanding drilling tasks.
- Heavy-Duty Web Design: Reinforced construction offers superior strength and durability for reliable performance through tough metal drilling applications.
- Jobber Length Format: Standard 2-inch overall length with 5/64-inch straight shank.
- Carded Packaging: Individual card packaging makes the bit easy to locate and store in your tool chest or job site kit.
Specifications
- Brand: Irwin
- Model: 3016005
- Diameter: 5/64 inch
- Overall Length: 2 inches
- Point Angle: 135 degrees, split point
- Material: Cobalt (8% cobalt content)
- Shank Diameter: 5/64 inch, straight
- Flute Design: Spiral, 1-flute
- Web Construction: Heavy-duty
- Packaging: Carded








