Century Drill & Tool 26215 Cobalt Pro Grade Drill Bit is a 15/64-inch diameter, 3-7/8-inch long jobber length drill bit designed for high-performance drilling in extremely hard materials.

Key Features

• Cobalt Alloy Construction: Designed to drill through extremely hard metals, including stainless steel, alloy steel, and cast iron.
• Self-Centering Tip: The 135° Quick-Cut point penetrates faster with less pressure and prevents walking or wandering.
• Heat & Friction Resistant: Offers up to 14x longer life than standard 118° point high-speed steel bits.
• Aerospace NAS 907-J Spec Compliant: Meets high standards for precision and durability.
• RPM Efficiency: Best used in drills operating at 1,500 RPM or higher for maximum performance.

Specifications

• Model: 26215
• Diameter: 15/64 inch (Decimal: 0.2344")
• Overall Length: 3-7/8 inches
• Material: M35 Cobalt Steel (contains 5–8% cobalt)
• Point Type: 135° Quick-Cut Point
• Finish: Gold oxide
• Shank Type: Straight
• Cutting Direction: Right-hand
• Made in: USA

Applications

• Metalworking: Stainless steel, hardened steel, alloy steel, and cast iron.
• Precision Drilling: Aerospace, automotive, and industrial-grade tasks.
• General Use: Also suitable for plastics and wood, though optimized for metal.