Drill Hulk 3/16-Inch Cobalt Steel M35 Jobber Length Drill Bits – Pack of 12

Overview

Meet the Drill Hulk 3/16-inch cobalt steel drill bits, engineered to tackle hard metals and stainless steel with steady, predictable performance. The blend of high-speed steel and 5% cobalt contributes to improved red hardness, helping you sustain cutting efficiency across drilling sessions.

These bits are designed for reliability in demanding fabrication tasks. The combination of precision geometry and durable material supports clean holes in tough substrates, while the included carrying case helps keep your toolkit organized. This pack is ideal for projects where multiple holes are needed, and consistent performance matters from start to finish.

Key specifications and benefits

• Jobber length: 3/16-inch cutting diameter, 2-5/16-inch flute length, 3-1/2-inch overall length, 135-degree split point, and a 3-flat shank for secure rotation.
• Material and durability: high-speed steel with 5% cobalt, offering enhanced heat resistance and robust durability compared with standard HSS bits.
• Sharpening and life: uniform hardness throughout the bit allows repeated sharpening without compromising the cutting edge, extending tool life and reliability.
• Best uses: well-suited for drilling in hard metals, including stainless steel, making it a versatile choice for metal fabrication tasks.
• What’s included: a pack of 12 cobalt drill bits with a sturdy case for organized storage.

Real-world use cases

• Fabrication and repair projects involving stainless steel components, brackets, or fasteners.
• DIY or professional tasks where clean, precise holes in hard metals are required.
• Scenarios where you expect to sharpen the bits multiple times to maintain edge performance.

Note: Actual results depend on your setup, feed rate, and material condition. Pair these bits with a proper drill, appropriate lubrication, and a stable work surface to maximize outcomes. This pack offers a practical balance of performance, durability, and value for metalworking tasks.