5 Piece Cobalt Left Hand Drill - Century Drill & Tool

The Century Drill & Tool 74105 5 Piece Cobalt Left Hand Drill set is engineered for professional technicians and mechanics facing challenging fastener extraction and demanding drilling tasks. Crafted from M35 cobalt high-speed steel, these drill bits provide exceptional durability and heat resistance, essential for working with difficult materials and retrieving damaged hardware. The specialized left-hand twist design effectively unthreads broken fasteners, streamlining repair processes in automotive, industrial, and general maintenance environments.

Key Features

• M35 Cobalt Steel Construction: Manufactured from M35 cobalt high-speed steel, these drill bits offer enhanced toughness, abrasion resistance, and heat tolerance for sustained performance when drilling through hardened metals and abrasive materials like stainless steel and cast iron.
• Left-Hand Twist Design: The counter-clockwise spiral is specifically engineered to grip and extract broken screws, bolts, and studs effectively, preventing further tightening and simplifying the removal process from engine blocks or machinery housings.
• 5-Piece Assortment: This comprehensive set includes a range of common sizes, providing versatility for various fastener extraction and drilling tasks encountered in professional settings.
• Precision Ground Flutes: Optimized flute geometry ensures efficient chip evacuation and minimizes heat buildup during operation, contributing to cleaner holes and extended bit life.
• Standard Shank Compatibility: Designed with a standard round shank for secure fitment and stable operation in most conventional drill chucks, ensuring reliable performance across a range of drilling equipment.

Applications

This professional-grade drill bit set is ideal for a multitude of demanding tasks, including:

• Fastener Extraction: Efficiently removing broken or seized screws, bolts, and studs from critical automotive components, heavy machinery, and industrial fixtures.
• Damaged Fastener Retrieval: Extracting stripped or otherwise damaged fasteners from metal, such as vehicle bodies, industrial equipment, or structural assemblies.
• Hard Material Drilling: Precisely drilling into tough and abrasive materials like stainless steel, cast iron, titanium alloys, and high-strength steels commonly encountered in automotive and industrial repair.
• Specialized Reverse Drilling: Performing counter-clockwise drilling operations where reverse rotation is required for specific machining or extraction processes in a workshop environment.
• General Maintenance & Repair: Essential for automotive repairs, heavy equipment maintenance, manufacturing, and diverse general industrial maintenance projects where durability and precision are paramount.

Specifications

• Manufacturer: Century Drill & Tool
• Model Number: 74105
• Weight: 0.3 lbs
• Dimensions: 5.1 x 2.8 x 0.6 inches
• Bit Type: Cobalt, Left Hand
• Set Size: 5 Pieces