Keyless Drill Chuck 1/2-20UNF 2–13mm Self-Tightening 3-Jaw

SLADE Keyless Self-Tightening Drill Chuck – 1/2-20UNF Mount, 2–13mm Capacity

Upgrade your power tool setup with the SLADE Keyless Drill Chuck. Featuring a convenient finger-tighten design and a robust 3-jaw mechanism, this drill chuck makes bit changes fast, easy, and secure — no key required. Whether you're a DIY enthusiast or a professional tradesperson, this chuck delivers the clamping reliability you need for every drilling task.

Made in Mainland China.

Key Features

• Instantly Convert Your Impact Driver – Transforms any impact driver to accept standard non-quick-change drill and driver bits with ease.
• Keyless Convenience – Finger-tighten design allows for rapid, tool-free bit changes on the fly.
• 3-Jaw Design – Securely holds round-shank drill bits ranging from 2mm to 13mm (approx. 1/16" to 1/2"), providing a wide range of compatibility.
• Superior Clamping Force – Greater gripping strength effectively prevents bits from slipping or loosening during operation, giving you more confidence and control.
• Versatile Adapter Compatibility – Includes a quick-change SDS-Plus / Hex / Square female adapter for use with electric hammers.
• Standard Mount – 1/2-20UNF thread mount for wide compatibility with drills and drivers.
• Multi-Purpose Use – Ideal for hand drills, electric drills, impact drivers, and more.

Specifications

• Brand: SLADE
• Model: GZ166
• Chuck Capacity: 2mm – 13mm
• Mount Size: 1/2-20UNF
• Number of Jaws: 3
• Operation: Manual / Keyless
• Compatible: SDS-Plus, Hex, Square quick-change adapters

Why Choose a Keyless Chuck?

Traditional keyed drill chucks require a separate chuck key to tighten and release bits — a key that's easy to misplace. A keyless chuck eliminates that hassle entirely. Simply hand-tighten or release the chuck sleeve to swap bits in seconds. The SLADE 3-jaw self-tightening design ensures the chuck grips tighter as torque increases, so you never have to worry about bit slippage mid-project. For more information on drill types and safe tool use, visit the CDC NIOSH Hand and Power Tools Safety resource.

Compatible With

• Cordless and corded electric drills
• Impact drivers (with adapter)
• Electric hammers (SDS-Plus / Hex / Square)
• Hand drills

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Frequently Asked Questions

Q: What is the chuck capacity of this keyless drill chuck?

A: This SLADE keyless drill chuck accepts round-shank drill bits from 2mm to 13mm in diameter, making it compatible with a wide range of standard drill bits for woodworking, metalworking, masonry, and general purpose drilling.

Q: What thread mount does this drill chuck use?

A: This drill chuck uses a 1/2-20UNF thread mount, which is one of the most common thread standards for drills and impact drivers. Please verify your tool's thread specification before purchasing to ensure compatibility.

Q: Can I use this keyless chuck with an impact driver?

A: Yes! One of the key benefits of this chuck is its ability to instantly convert an impact driver to accept standard non-quick-change drill and driver bits. It also includes a quick-change SDS-Plus/Hex/Square female adapter for use with electric hammers.

Q: Do I need any tools to tighten or change bits?

A: No tools are required. This is a keyless, self-tightening drill chuck — simply finger-tighten the sleeve to secure your bit. The 3-jaw mechanism grips tighter as torque increases, providing a secure hold without a chuck key.

Q: Is this drill chuck suitable for heavy-duty applications?

A: The SLADE GZ166 features a robust 3-jaw design with superior clamping force that prevents bit slippage during operation, making it suitable for a variety of tasks from light DIY work to more demanding drilling applications.