2-13mm Keyless Metal Drill Chuck | Hex, SDS & Square Adapter

Universal Keyless Drill Chuck – Fast Bit Changes, Maximum Grip

Upgrade your power tool setup with this 2–13mm Threaded Keyless Metal Drill Chuck. Designed for versatility and reliability, this chuck instantly converts your impact driver or electric hammer to accept a wide range of non-quick-change drill bits, screwdriver bits, taps, and socket accessories. Whether you're a DIY enthusiast or a professional tradesperson, this adapter delivers the quick-change convenience and clamping strength you need on the job.

Key Features

• Wide Compatibility: Accepts round-shank drill bits from 1.5mm to 13mm with ease — perfect for a broad range of drilling applications.
• 3-Jaw Keyless Design: Simply finger-tighten the chuck for fast, tool-free bit changes — no chuck key required.
• Superior Clamping Force: The 3-jaw mechanism applies greater gripping pressure to keep bits locked securely in place, preventing slippage during operation.
• Multi-Shank Adapter Support: Compatible with Hex shank, SDS-Plus, and Square shank quick-change female adapters for use with electric hammers and impact drivers.
• Durable Metal Construction: Built from hardened metal for long-lasting durability in demanding workshop and job-site conditions.
• Standard Mount: Features a 1/2-20 UNF thread mount for broad tool compatibility.
• Instant Impact Driver Conversion: Quickly convert your impact driver to hold standard drill and driver bits — no extra tools needed.

Specifications

• Chuck Capacity: 2mm – 13mm
• Mount Thread: 1/2-20 UNF
• Adapter Types: Hex Shank / SDS-Plus / Square
• Jaw Design: 3-Jaw Keyless
• Model Number: GZ166
• Country of Origin: Made in China

What's in the Box

• 1 × 2–13mm Keyless Metal Drill Chuck with Quick-Change Adapter

Who Is This For?

This keyless drill chuck adapter is ideal for carpenters, electricians, plumbers, mechanics, and weekend DIYers who want a fast, reliable way to switch between drill bits, screwdriver bits, taps, and sockets on their existing impact driver or electric hammer. It's a must-have addition to any toolbox.

For more power tool accessories, also check out our Screwdriver Bits & Sets and our range of Drill Bits & Hole Making Tools.

Learn more about safe power tool practices from the CDC NIOSH Power Tools Safety Guide.

Frequently Asked Questions

Q: What drill bit sizes does this keyless drill chuck accommodate?

A: This keyless metal drill chuck accepts round-shank drill bits ranging from 1.5mm to 13mm (2mm–13mm gripping range), making it suitable for the vast majority of standard drilling tasks.

Q: What adapter shank types are compatible with this chuck?

A: This chuck is compatible with Hex shank, SDS-Plus, and Square shank quick-change female adapters, allowing it to work with most electric hammers and impact drivers on the market.

Q: Do I need a chuck key to tighten this drill chuck?

A: No — this is a keyless chuck. Simply finger-tighten the collar to secure your bit firmly in place. No separate chuck key is required, making bit changes fast and effortless.

Q: What is the thread mount size for this drill chuck?

A: The chuck features a standard 1/2-20 UNF thread mount, which is widely compatible with most power drills and impact drivers.

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

A: Yes. The hardened metal 3-jaw construction provides superior clamping force to prevent bit slippage even under demanding, heavy-duty conditions.