Left Hand Cobalt Drill Bit - 19/64In - Mechanics Length - Hanson

The Hanson 30519 Left Hand Cobalt Drill Bit is a professional-grade tool designed for rigorous use in automotive and industrial environments. This 19/64-inch mechanics length drill bit delivers reliable performance and extended durability, making it an essential component for technicians addressing demanding materials and specialized extraction tasks.

Key Features

• Premium M-42 Cobalt Steel: Constructed from M-42 8% cobalt high-speed steel, this drill bit provides superior abrasion resistance and extended tool life, particularly in high-stress drilling conditions.
• Efficient Chip Evacuation: A heavy-duty spiral flute design optimizes chip removal, facilitating faster drilling operations and effectively reducing heat buildup during use.
• Reduced Torque Design: Engineered with shorter cutting lips, this design minimizes torque requirements, allowing for smoother, more controlled penetration into high tensile strength materials.
• 135-Degree Split Point: The precision 135-degree split point tip reduces the need for excessive feed pressure, ensuring easier and more accurate starts while preventing material work hardening.
• Left-Hand Rotation: Specifically designed for left-hand rotation, this drill bit is highly effective when used with screw extractors for the efficient removal of broken fasteners without further tightening.

Applications

This professional-grade left-hand cobalt drill bit is indispensable for mechanics, machinists, and technicians across automotive repair, industrial maintenance, and fabrication workshops. It excels in drilling through tough materials such as hardened steel, stainless steel, cast iron, and various challenging alloys often found in vehicle components or industrial machinery. Its unique left-hand rotation makes it particularly valuable for breaking loose and assisting in the extraction of seized or broken bolts, studs, and screws when paired with appropriate screw extractors, minimizing damage to surrounding components.

Specifications

• Drill Bit Diameter: 19/64 inches
• Overall Length: 3-5/8 inches
• Material: M-42 8% Cobalt High-Speed Steel
• Point Angle: 135-degree Split Point
• Rotation: Left-Hand