Hitachi
Hitachi 728472 3/8-Inch Installer/Aircraft HSS Drill Bit
★★★★★
Precision Drilling for Specialized ApplicationsThe Hitachi 728472 3/8-Inch by 18-Inch Round Shank Installer/Aircraft HSS Drill Bit is designed for specialized drilling applications. With its extended 18-inch length and round shank, this bit is ideal for running wires through walls, ceilings, and ...
$11.53*
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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 Specialized Applications
The Hitachi 728472 3/8-Inch by 18-Inch Round Shank Installer/Aircraft HSS Drill Bit is designed for specialized drilling applications. With its extended 18-inch length and round shank, this bit is ideal for running wires through walls, ceilings, and floors. Made with Hitachi's Dura Core treatment for enhanced durability and cutting speed.
- Size: 3/8-Inch x 18-Inch
- Shank Type: Round Shank
- Material: HSS (High-Speed Steel)
- Application: Installer/Aircraft
- Treatment: Hitachi Dura Core
Key Features
The 3/8-Inch thick Hitachi 728472 has a length of 18-Inch and includes a round shank helping your tool keep a tight grip while in use
Hitachi DuraCore treated products are manufactured utilizing a proprietary technologically superior to cryogenic treatment
Used for drilling and running wires through walls, ceilings and floors
Hitachi DuraCore products are proven to last longer and outperform the competition
Specifications
Thickness
3/8-Inch
Length
18-Inch
Shank Type
Round Shank
Material
HSS (High-Speed Steel)
Treatment
Hitachi DuraCore
Intended Use
Drilling and running wires through walls, ceilings, and floors
Pros & Cons
👍 Pros
- Features Hitachi DuraCore treated products, utilizing a proprietary technology superior to cryogenic treatment for enhanced durability.
- Designed with a 3/8-inch thickness and an 18-inch length, making it suitable for reaching through walls, ceilings, and floors.
- Includes a round shank, which helps the tool maintain a tight grip during use, contributing to stability and safety.
- Specifically engineered for drilling and running wires, streamlining installation tasks for electricians and DIY enthusiasts.
- Proven to last longer and outperform competitors, based on Hitachi DuraCore product claims.
- The 18-inch length provides extended reach for deeper drilling applications often encountered in installation work.
- The 3/8-inch diameter is versatile for common wiring and installation needs.
👎 Cons
- The specific material composition of the drill bit (beyond HSS) is not detailed.
- Its primary use is for drilling and running wires, which may limit its versatility for other drilling tasks.
- The "installer/aircraft" designation may imply specialized usage that might not be necessary for general home use.
- No information is provided about the type of drill it is compatible with (e.g., impact driver, rotary drill).
- The number of flutes or cutting edges is not specified, which could impact drilling efficiency and chip removal.
- Not suitable for masonry or harder materials, as it is designed as a High-Speed Steel (HSS) bit.
- Only a single drill bit is included, not a set, which means additional sizes would need separate purchases.
Frequently Asked Questions
What is the primary use for the Hitachi 728472 drill bit?
This drill bit is primarily used for drilling and running wires through various structures such as walls, ceilings, and floors, making it ideal for installation tasks.
What are the dimensions of this Hitachi drill bit?
The Hitachi 728472 drill bit has a thickness of 3/8-inch and an extended length of 18-inches.
What is Hitachi DuraCore treatment, and what are its benefits?
Hitachi DuraCore is a proprietary technologically superior treatment designed to enhance the durability of the product, making it last longer and outperform competitors.
Does this drill bit have a special shank design?
Yes, it includes a round shank, which helps ensure that your tool maintains a tight grip on the drill bit while in use.
Is this drill bit suitable for heavy-duty drilling in hard materials?
While durable due to DuraCore treatment and HSS material, it is designed for drilling and running wires, suggesting its primary application may not be for extremely hard materials like concrete or masonry.
How long is the drill bit, and why is its length important?
The drill bit is 18-inches long, which is particularly beneficial for reaching through thicker walls, ceilings, and floors to facilitate wire installation without needing extensions.
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