IRWIN 29-Piece Drill Bit Set – High-Speed Steel, 1/16 to 1/2 Inch, Black and Gold Oxide, Metal Index Case

Overview

IRWIN delivers a reliable drill bit kit built to perform in demanding work environments. The 29-piece set uses premium high-speed steel designed to withstand extended drilling into tougher materials. A black and gold oxide finish adds corrosion resistance, helping the bits endure in everyday workshop conditions while maintaining a clean, professional appearance.

Key features at a glance

• 135-degree split-point tip for immediate starts with less applied force and reduced wandering on the work surface
• Durable high-speed steel core designed for repeated use in challenging materials
• Black and gold oxide finish provides solid corrosion resistance for longer tool life
• Metal index case for quick access and easy size identification
• Range from 1/16 to 1/2 inch in 1/64-inch increments, totaling 29 bits

Real world use and benefits

In daily projects, these bits are meant to bite into metal, wood, and composites with consistent performance. The split-point tip helps you begin holes with less effort, which can be especially helpful when working with dense materials or metal workpieces. The oxide coating contributes to better longevity in environments with oils, humidity, or minor exposure to salts. The organized metal index case keeps your bits organized and portable, making it easier to grab the right size without delay.

The combination of a broad size range and precise increments allows you to select exactly the bit you need for tasks like drilling pilot holes, creating clean through-holes, or preparing for fasteners. While outcomes depend on material, drill speed, and technique, the set is designed to support steady, controlled drilling and predictable results across a range of common workshop tasks.

What you get and how it helps

• 29 pieces covering sizes from 1/16 to 1/2 inch in 1/64-inch steps, suitable for detailed work and larger holes
• Convenient metal index case for organization, transport, and quick size checks during a project