Hitachi
Hitachi 728237 1" x 8" Auger Drill Bit Woodworking
★★★★★
Precision Drilling for Versatile ApplicationsThe Hitachi 728237 1-Inch by 8-Inch Auger Drill Bit is engineered for precise and efficient drilling in wood, plastic, and metal. Its unique twist drill design effectively cuts material while removing debris, ensuring cleaner holes and reduced wobble. ...
$17.40*
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*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 Versatile Applications
The Hitachi 728237 1-Inch by 8-Inch Auger Drill Bit is engineered for precise and efficient drilling in wood, plastic, and metal. Its unique twist drill design effectively cuts material while removing debris, ensuring cleaner holes and reduced wobble. With a self-feeding tip and wide throat, this drill bit provides versatility and reliability for a variety of drilling tasks.
Specifications:
- Size: 1-Inch by 8-Inch
- Shank Diameter: 3/8-inch
- Material: High-quality steel
- Application: Wood, Plastic, Metal
Key Features
Hitachi Power Tools has renamed to Metabo HPT. Same great tools, with only a new name.
1-inch by 8-inch auger drill bit with 3/8-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
1" x 8" Auger Bit
3/8" shank
Precision design
High speed steel
Wood or Plastic
Specifications
Bit Diameter
1 inch
Bit Length
8 inches
Shank Diameter
3/8 inch
Material
High Speed Steel
Compatible Materials
Wood, Plastic, Metal
Warranty
30-day limited warranty
Pros & Cons
👍 Pros
- Features a durable high-speed steel construction for extended tool life and robust performance
- Designed with a self-feeding tip, allowing the bit to pull itself into the material for easier drilling
- Equipped with a wide throat design, which efficiently clears chips and leaves cleaner holes
- Suitable for versatile use across multiple materials including wood, plastic, and metal
- Comes with a 30-day limited warranty, providing a period of coverage for potential defects
👎 Cons
- The 1-inch diameter and 8-inch length are specific dimensions, which may not be suitable for all drilling tasks
- While versatile, specialized bits might offer superior performance for very specific metal or dense wood applications
- The 3/8-inch shank may not be compatible with all drill chucks, particularly smaller or larger capacity ones
- A 30-day limited warranty is relatively short for a tool, which might be a concern for long-term users
- The self-feeding tip, while convenient, requires a steady grip and appropriate drill power to prevent binding in certain materials
Frequently Asked Questions
What materials can the Hitachi 728237 Auger Drill Bit be used on?
The Hitachi 728237 Auger Drill Bit is versatile and can be used effectively on wood, plastic, and metal, making it suitable for a range of projects.
What are the dimensions of this auger drill bit?
This auger drill bit measures 1 inch in diameter and 8 inches in length, with a 3/8-inch shank diameter, fitting standard drill chucks of that size.
What is the benefit of the self-feeding tip and wide throat design?
The self-feeding tip allows the bit to pull itself into the material for easier drilling, while the wide throat design efficiently clears chips, resulting in cleaner and more precise holes.
Does this product come with a warranty?
Yes, the Hitachi 728237 Auger Drill Bit comes with a 30-day limited warranty from the manufacturer, covering potential defects.
Has the brand name Hitachi Power Tools changed?
Yes, Hitachi Power Tools has rebranded to Metabo HPT, but the tools themselves remain the same high quality, just under a new name.
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