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DRILL BIT 5/8" S&D 118^BLACK OXIDE - Irwin

Part #: 91140

The Irwin 91140 5/8" Drill Bit is engineered for professional performance in demanding automotive and industrial environments. Featuring a robust Silver & Deming shank and a durable black oxide finish, this drill bit is designed for efficient and reliable drilling through various materials, making it an essential tool for technicians and mechanics seeking dependable results.

Key Features

  • 5/8" Diameter: Ideal for creating larger holes required in many professional applications.
  • Silver & Deming Shank: The reduced shank allows this larger diameter drill bit to be used in 1/2" drill chucks, enhancing versatility across different power tools.
  • 118° Point Angle: Provides a general-purpose drilling solution, suitable for a wide range of materials including metals, plastics, and wood.
  • Black Oxide Finish: Offers increased lubricity and resistance to corrosion, contributing to extended tool life and smoother drilling operations.
  • Professional-Grade Construction: Manufactured by Irwin, known for producing tools that withstand the rigors of daily professional use.

Applications

This Irwin 91140 drill bit is well-suited for a variety of tasks in professional settings. It is commonly used by automotive technicians for drilling larger clearance holes, working on chassis components, or in general fabrication and repair tasks. In industrial environments, it performs effectively in maintenance, machinery installation, and general construction where durable and precise drilling is required in materials such as mild steel, cast iron, and non-ferrous metals.

Specifications

  • Drill Bit Diameter: 5/8"
  • Point Angle: 118°
  • Shank Type: Silver & Deming (reduced shank)
  • Finish: Black Oxide
Only 3 left in stock - order soon

$32.87

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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  • Model: 449766
  • Shipping Weight: 0.3lbs
  • Manufacturers Part #: 91140
  • Manufactured by: Irwin
  • Also Known As: IRW-91140

This product was added to our catalog on Wednesday 03 June, 2026.