Mountain 3/8" Left Hand Stub Drill Bit - Mountain

The Mountain 3/8" Left Hand Stub Drill Bit (Model 55680) is a specialized tool designed for professional automotive and industrial technicians. Engineered for counter-clockwise drilling, this robust drill bit facilitates critical tasks such as the efficient extraction of broken fasteners and precise drilling in confined spaces, thereby enhancing repair and maintenance efficiency.

Key Features

• Left-Hand Spiral Design: This drill bit's counter-clockwise rotation effectively grips and loosens seized or broken fasteners without tightening them further, simplifying extraction of corroded or stuck bolts and screws.
• Stub Length Profile: The compact, rigid stub-length design provides enhanced stability and minimizes deflection, allowing for precise hole starting and stable drilling in challenging, confined environments.
• Professional-Grade Durability: Constructed from high-quality materials, this bit is built to withstand rigorous daily use, ensuring extended tool life and consistent performance across various materials encountered in professional applications.
• 3/8" Diameter: Offers a versatile balance of strength and precision, making it suitable for a broad range of left-hand drilling applications, including pilot holes for tap extraction and general reverse drilling tasks.

Applications

• Broken Fastener Extraction: Effectively removes broken screws, bolts, and studs in automotive, heavy equipment, and industrial machinery, simplifying complex repair and maintenance procedures.
• Specialized Reverse Drilling: Ideal for machining and manufacturing operations that specifically require a counter-clockwise drilling motion for tasks such as re-threading or component modification.
• Drilling in Confined Spaces: The stub-length design provides enhanced access and stability, facilitating precise drilling in areas with limited clearance, such as within engine compartments or industrial machinery.
• Accurate Hole Starting: Improves stability for controlled and accurate hole initiation, reducing bit walk and enhancing overall drilling quality, particularly for critical component work where precision is paramount.

Specifications

• Manufacturer: Mountain
• Model Number: 55680
• Size: 3/8 inch
• Hand: Left Hand (Counter-clockwise rotation)
• Type: Stub Length
• Weight: 0.25 lbs