Left Hand Cobalt Drill Bit - 5/64In - Hanson

The Hanson 30505 5/64" Left Hand Cobalt Drill Bit is engineered for the demanding task of extracting broken fasteners and seized components in professional automotive and industrial environments. This specialized drill bit offers reliable performance and exceptional durability when addressing challenging repairs involving tough, hardened materials.

Key Features

• Left-Hand Rotation: Designed to facilitate the loosening and backing out of broken bolts and screws as it drills, proving highly effective when used in conjunction with spiral screw extractors.
• Cobalt High-Speed Steel (HSS) Construction: Manufactured from M-42 8% cobalt alloy, providing superior resistance to heat and abrasion for extended tool life. It is optimized for drilling into hardened or high-tensile strength metals such as stainless steel, cast iron, and titanium.
• 135-Degree Split Point: The 135-degree split point geometry reduces the required feed pressure and ensures self-centering starts, preventing the bit from "walking" on the workpiece for precise hole placement.
• Heavy-Duty Web Design: Features a heavy-duty web for enhanced strength and durability, minimizing the risk of breakage during high-torque drilling applications.
• Mechanics Length: The mechanics length design contributes to increased rigidity and reduced deflection, making it suitable for precision work and drilling in confined spaces.

Applications

This professional-grade 5/64" left hand cobalt drill bit is an essential tool for technicians involved in the removal of broken fasteners, studs, and bolts across various challenging environments. It proves highly effective in automotive repair scenarios for extracting snapped manifold bolts or seized suspension components. In industrial maintenance, it supports critical machinery repair by reliably drilling into hard-to-access or hardened components. Its robust cobalt composition ensures consistent performance when encountering hard-to-drill materials, supporting efficient and successful extraction processes.