Irwin Unibit 13 1-1/8 in Step-Drill Bit, 1/2 in Shank
Step drill bit with single-flute cutting edge and hex shank for reduced slipping. Ideal for drilling thin materials like stainless steel, copper, and brass. Users note sharp edge retention and durability across multiple uses
Highlights
- hex shank prevents slipping
- suitable for thin materials
- sharp edge with lasting durability
Pros
- Single-flute cutting edge for cleaner holes
- Hex shank reduces slipping in drill chuck
- Effective on thin materials like stainless steel
- Sharpness and durability for multiple holes
Cons
- Limited data on broader material compatibility
- No explicit size range beyond listed model
- No performance metrics beyond user anecdotes
Best For
Features
- Single-flute cutting edge for efficient metal drilling
- Hex shank design reduces slipping in drill chuck
- Ideal for drilling thin materials such as stainless steel, copper, brass, aluminum, plastic, and laminates
- Drills holes up to 1-1/8 inches in diameter
