Hitachi
Hitachi 725405 3/8-Inch Keyless Chuck Impact Driver Adapter
★★★★★
Expand Your Impact Driver's Capabilities for DrillingThe Metabo HPT (formerly Hitachi) 725405 3/8-Inch Keyless Conversion Chuck provides the flexibility of drilling with your 1/4-Inch Hex Impact Driver. Benefit from its keyless design, high rotational torque, and quick connect, making drilling an...
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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
Expand Your Impact Driver's Capabilities for Drilling
The Metabo HPT (formerly Hitachi) 725405 3/8-Inch Keyless Conversion Chuck provides the flexibility of drilling with your 1/4-Inch Hex Impact Driver. Benefit from its keyless design, high rotational torque, and quick connect, making drilling and driving tasks smoother and more efficient.
Key Features:
- Converts 1/4-Inch hex drive for drilling applications up to 3/8-Inch shank
- High rotational torque capacity
- Patented key-less locking mechanism prevents bit spin
- 1/4-Inch hex quick connect allows easy transitions
- Fiber reinforced composite material
Key Features
Hitachi Power Tools has renamed to Metabo HPT. Same great tools, with only a new name.
High rotational torque capacity
Patented key-less locking mechanism prevents bit spin
1/4-inch hex quick connect allows users to change from fastening to drilling easily
Fiber reinforced composite material provides strength without adding significant weight
Converts 1/4-Inch hex drive for drilling applications up to 3/8-Inch shank drilling and driving bits
High rotational torque capacity
Patented key-less locking mechanism prevents bit spin
1/4-Inch hex quick connect allows users to change from fastening to drilling easily
Fiber re-inforced composite material provides strength without adding significant weight
Specifications
Accessory Type
Keyless Chuck Impact Driver Adapter
Chuck Size
3/8-Inch
Drive Type Conversion
1/4-Inch Hex to 3/8-Inch Chuck
Locking Mechanism
Patented Key-less
Material
Fiber Reinforced Composite
Brand Renaming
Hitachi Power Tools to Metabo HPT
Pros & Cons
👍 Pros
- Converts a 1/4-inch hex quick connect drive into a 3/8-inch keyless chuck for drilling versatility.
- Features a patented key-less locking mechanism designed to prevent drill bits from spinning during use.
- Offers high rotational torque capacity, indicating durability and reliability under load.
- Constructed with fiber-reinforced composite material, providing strength without adding excessive weight.
- Facilitates quick and easy switching between fastening and drilling applications with its 1/4-inch hex quick connect.
👎 Cons
- Limited to converting 1/4-inch hex drives, so it is not suitable for tools with other drive types.
- The maximum drilling capacity is restricted to 3/8-inch shank bits, which may not be sufficient for larger drilling needs.
- While strong, the fiber-reinforced composite material might not offer the same ultimate durability as all-metal chucks in very heavy-duty, industrial settings.
- Its primary function is conversion, meaning it does not inherently increase the power or torque of the impact driver it is attached to.
- The adapter design focuses on impact drivers; its performance might not be optimized for regular drills that operate differently.
Frequently Asked Questions
What is the main purpose of this Hitachi adapter?
This adapter converts a 1/4-inch hex quick connect drive on an impact driver to a 3/8-inch keyless chuck, enabling it to accept drilling and driving bits up to 3/8-inch shank.
What size bits can this chuck adapter hold?
The chuck adapter is designed to hold drilling and driving bits with up to a 3/8-inch shank.
Does this adapter require a key to tighten bits?
No, it features a patented key-less locking mechanism that helps prevent bits from spinning during operation.
Can this adapter be used with any impact driver?
It connects via a 1/4-inch hex quick connect, making it compatible with impact drivers that feature this connection type.
What is the material construction of this adapter?
The adapter is made from fiber-reinforced composite material, which provides strength without significantly increasing its weight.
Has the brand name changed for Hitachi Power Tools?
Yes, Hitachi Power Tools has been renamed to Metabo HPT; the tools themselves remain the same.
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