Hitachi

Hitachi 728272 3/8-Inch Auger Drill Bit 22-Inch

5.0 (1 reviews)

Drill with Precision and PowerIntroducing the Hitachi 728272 3/8-inch x 22-inch Auger Drill Bit. Designed for ultra-strong, smooth cutting in wood, plastic, and metal, ensuring versatility and efficiency on every job. Diameter: 3/8-inch Length: 22-inch Shank Diameter: 3/8-inch Material Compa...

$11.99*
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

Drill with Precision and Power

Introducing the Hitachi 728272 3/8-inch x 22-inch Auger Drill Bit. Designed for ultra-strong, smooth cutting in wood, plastic, and metal, ensuring versatility and efficiency on every job.

  • Diameter: 3/8-inch
  • Length: 22-inch
  • Shank Diameter: 3/8-inch
  • Material Compatibility: Wood, plastic, and metal

Key Features

Hitachi Power Tools has renamed to Metabo HPT. Same great tools, with only a new name.

3/8-inch by 22-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

3/8" x 22" Auger Bit

3/8" shank

Precision design

High speed steel

Wood or Plastic

Specifications

Drill Bit Type
Auger
Diameter
3/8-inch
Length
22-inch
Shank Diameter
3/8-inch
Material Compatibility
Wood, Plastic, Metal
Warranty
30-day limited

Pros & Cons

👍 Pros

  • Features a 3/8-inch diameter and a substantial 22-inch length, ideal for deep drilling applications.
  • Equipped with a precision design that helps to minimize wobble during operation for more accurate holes.
  • Includes a self-feeding tip, which assists in smooth and efficient drilling into materials.
  • The wide throat design effectively clears chips and debris, leading to cleaner holes.
  • Suitable for use across multiple materials including wood, plastic, and metal, offering versatile application.

👎 Cons

  • The 30-day limited warranty might be considered brief for a tool accessory.
  • The drill bit's specific high-speed steel grade (HSS) or coating for enhanced durability is not detailed.
  • The maximum speed rating for safe operation in different materials is not specified.
  • While versatile, performance in harder metals compared to wood or plastic isn't elaborated.
  • The design of the self-feeding tip is not visually described, so its exact mechanism is not fully clear.

Frequently Asked Questions

This Hitachi auger drill bit measures 3/8-inch in diameter and 22-inch in length, with a 3/8-inch shank diameter.
This auger drill bit is ideal for drilling into wood, plastic, and metal, offering good versatility for various projects.
Yes, it features a precision design that is intended to create less wobble in the drill and bit, promoting more stable operation.
The self-feeding tip allows for easier penetration into materials, while the wide throat design helps to clear out drilled material, resulting in cleaner holes.
The Hitachi 728272 3/8-Inch Auger Drill Bit comes with a 30-day limited warranty.