Century Drill & Tool 26210 Pro Grade Cobalt Drill Bit is a 5/32-inch diameter, 3-1/8-inch long jobber length 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.
• Self-Centering Tip: The 135° Quick-Cut point penetrates faster with less pressure and prevents walking or wandering.
• Heat & Friction Resistance: Offers 12–14x longer life than standard 118° point high-speed steel bits.
• Aerospace NAS 907-J Spec Compliant: Meets high standards for precision and durability.
• RPM Requirement: Best used in drills operating at 1,500 RPM or higher for optimal performance.
• Use with Cutting Oil: Recommended when drilling metal to extend tool life.

Specifications

• Model: 26210
• Diameter: 5/32 inch (Decimal: 0.156")
• Overall Length: 3-1/8 inches
• Material: M35 Cobalt Steel (5% cobalt alloy)
• Point Type: 135° Quick-Cut Point
• Shank Type: Straight
• Cutting Direction: Right-hand
• Made in: USA

Applications

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