Stub Drill Bit, Left Hand, Cobalt Steel, 19/64-In.

Discover the 19/64‑inch left‑hand cobalt stub drill bit, a compact powerhouse built to extract damaged right‑hand threaded bolts and studs without further tightening. Crafted from premium cobalt alloy, the bit boasts a sleek polished surface that resists wear while delivering maximum torque in tight spaces. Its stubby 3‑5/8" overall length and aggressive 135° split point give you the strength to tackle stubborn fasteners where standard drills fall short.

Why it matters: This specialized drill bit eliminates the need for expensive removal kits, letting you quickly free seized hardware and keep projects on schedule. The high‑grade cobalt composition ensures consistent performance even at elevated temperatures, while the short flute length provides superior rigidity for precise, wobble‑free drilling.

• Left‑hand rotation: Designed to back out right‑hand threaded bolts, reducing downtime on repair jobs.
• 19/64" diameter: Ideal for medium‑size fastener extraction in automotive and industrial applications.
• 135° split point: Delivers rapid start‑up and minimizes walking, ensuring accurate entry into hardened steel.
• 2‑1/16" flute length: Provides enough chip evacuation while maintaining a stubby profile for added stiffness.
• Premium cobalt steel construction: Offers exceptional hardness and heat resistance for long‑lasting durability.
• Polished finish: Reduces friction and extends bit life during repeated use.

Experience unmatched reliability: Whether you’re a professional mechanic, maintenance technician, or DIY enthusiast, this cobalt stub drill bit delivers the strength and precision needed to remove broken bolts with confidence. Its compact design fits into crowded work areas, and the robust material stands up to the toughest extraction tasks. Choose this left‑hand drill bit for a fast, dependable solution that keeps your equipment running smoothly.