Narwhal 5-8-inch Cobalt Drill Bits for Metal (M35) - 3 Pack, 6-Inch Length, 135° Split Point

Overview

Discover Narwhal’s 5-8 inch cobalt drill bits, engineered for metalworking tasks that demand durability and consistent hole quality. Crafted from M35 cobalt alloy with 5% cobalt, these bits resist wear when drilling through tougher materials and maintain a sharp edge longer than standard bits. The tools feature a fully ground tip and a 135° split point, which helps start holes with precision and minimizes wandering. With a 6-inch overall length and a 3-inch flute length, you’ll have welcomed reach and efficient chip evacuation for deeper holes in metal, stainless steel, or other hard substrates.

What’s in the Pack

• 3-pack of 5/8-inch cobalt drill bits for metal
• Flute length of 3 inches and total length of 6 inches
• Durable plastic storage case included for organization

Material Capability

• 5% cobalt alloy delivers enhanced wear resistance for sustained edge life
• Fully ground cutting edges for clean, accurate hole diameters
• 135-degree split point reduces walking on initial contact
• Effective on stainless steel, hardened steel, cast iron, bronze, titanium, and more

Durability and Storage

The tough plastic case protects your bits between jobs and keeps them neatly organized. The 6-inch length offers reach for thicker workpieces while maintaining control in busy workshops.

Tips for Best Results

• Match feed speed and pressure to the material to manage heat
• Use cutting fluid or light lubrication when drilling very tough metals
• Let the bit do the work; avoid forcing through hard sections
• Clean and inspect bits after use to preserve performance