Left-Hand HD HSS Jobbers Length Drill Bit - 7/16 In 5/Pk - Hanson

This Hanson 62328 Left-Hand HD HSS Jobbers Length Drill Bit five-pack is engineered for professional automotive and industrial applications requiring precise, reverse drilling. Designed for demanding tasks, these 7/16-inch fractional straight shank drill bits are ideal for technicians and mechanics encountering broken fasteners or seized components.

Key Features

• Left-Hand Rotation: Specifically designed for use with screw extractors, facilitating the removal of broken bolts and studs without further tightening the fastener.
• Heavy-Duty Web Construction: Features a robust web design that enhances strength and durability, minimizing breakage under torque and extending tool life.
• 135° Split Point: Provides accurate self-centering and reduces walking, allowing for quick penetration into various materials without the need for a pilot hole.
• Black Oxide Finish: Offers increased wear resistance and lubricity, helping to prevent chip welding and improving chip flow during drilling operations.
• High-Speed Steel (HSS): Constructed from high-speed steel for optimal hardness and resistance to abrasion, ensuring consistent performance in tough materials.

Applications

These Hanson Left-Hand Jobbers Length Drill Bits are essential for a range of professional scenarios. They are particularly effective for drilling out broken bolts, studs, and screws, especially when paired with screw extractors to prevent further tightening of the damaged fastener. Common applications include automotive repair for engine blocks, exhaust manifolds, and chassis components, as well as industrial maintenance for machinery and equipment where precise and reliable material removal is critical. Their heavy-duty design makes them suitable for drilling into various metals, including steel, cast iron, and alloys.