
Hitachi 728226 5/16-Inch Auger Drill Bit
Precision Drilling for Wood, Plastic, and MetalThe Hitachi 728226 Auger Drill Bit is engineered for precision and versatility. Its unique twist design ensures smooth cutting and efficient debris removal, making it ideal for a variety of materials. Size: 5/16-inch Length: 8-inch Material: Ultra-s...
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Precision Drilling for Wood, Plastic, and Metal
The Hitachi 728226 Auger Drill Bit is engineered for precision and versatility. Its unique twist design ensures smooth cutting and efficient debris removal, making it ideal for a variety of materials.
- Size: 5/16-inch
- Length: 8-inch
- Material: Ultra-strong steel
- Application: Wood, plastic, and metal
- Features: Self-feeding tip, wide throat
Key Features
Hitachi Power Tools has renamed to Metabo HPT. Same great tools, with only a new name.
5/16-inch by 8-inch auger drill bit with 5/16-inch shank diameter
Precision design creates less wobble in the drill and bit
Self-feeding tip and wide throat leave cleaner holes
Ideal for wood, plastic and metal
Comes with a 30-day limited warranty
5/16" x 8" Auger Bit
5/16" shank
Precision design
High speed steel
Wood or Plastic
Specifications
Pros & Cons
👍 Pros
- The 5/16-inch by 8-inch dimensions are suitable for various drilling tasks in wood and plastic.
- Features a precision design that aims to create less wobble during drilling, improving accuracy.
- Equipped with a self-feeding tip, allowing for easier initiation of holes without excessive force.
- A wide throat design is incorporated to facilitate cleaner holes by efficiently removing debris.
- Constructed from high-speed steel, indicating durability and resistance to wear during use.
👎 Cons
- The 5/16-inch shank diameter might not be compatible with all standard drill chucks, requiring specific tool compatibility.
- The drill bit is primarily recommended for wood, plastic, and metal, but may not be optimal for harder materials like concrete or stone.
- The 30-day limited warranty is relatively short, which might be a concern for long-term product reliability.
- The product focuses solely on drilling and does not offer versatility for other tasks such as driving screws.
- Precision design helps reduce wobble, but the overall stability of the drill bit depends on the user's technique and the drill's condition.