2Pcs Keyless Mini Drill Chuck Adapter 0.3–3.4mm Collet Converter

2Pcs Keyless Mini Jaw Drill Chuck Collet Conversion Adapter — 0.3–3.4mm Capacity

Upgrade your rotary tools, electric grinders, and impact drivers in seconds with this handy 2-pack of keyless mini drill chuck converters. The three-jaw design grips extra-fine round-shank bits (0.3–3.4mm) securely, letting you switch from driving to drilling without swapping tools. Made in Mainland China.

Why You'll Love These Chuck Adapters

• Keyless & Quick — No key needed. Snap the 2.35mm round shank into your power tool and tighten the three-jaw chuck by hand in moments.
• Wide Compatibility — Works with electric grinders, engraving machines, nail drills, power screwdrivers, and impact drivers, instantly converting them to hold standard non-quick-change drill and driver bits.
• Secure Grip — Three-jaw mechanism firmly clamps shank sizes from 0.3mm to 3.4mm, minimising slippage and run-out during precision work.
• Durable Aluminium Alloy Construction — Lightweight yet sturdy body withstands regular workshop use across automotive, garage, office, and home projects.
• Value 2-Pack — Keep one on each tool or store one as a backup — always ready when you need it.

Specifications

⚠️ Important Usage Notes

• Do not operate at high speed immediately after mounting — start at the lowest speed setting or zero, then gradually increase. Maximum recommended speed: 10,000 RPM. Exceeding this may cause the rear axle to bend.
• Always ensure the shank is fully and securely seated before powering the tool.

Package Contents

• 2 × 2.35mm Keyless Mini Jaw Drill Chuck Adapter

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Frequently Asked Questions

Q: What power tools are compatible with these keyless drill chuck adapters?

A: These chuck adapters are compatible with any tool that accepts a 2.35mm round shank, including electric grinders, engraving machines, rotary tools, nail drill machines, power screwdrivers, and impact drivers. They allow you to quickly convert an impact driver to function like a regular drill for holding non-quick-change drill and driver bits.

Q: What is the maximum drill bit shank size these chucks can hold?

A: The three-jaw keyless chuck can securely clamp drill bit shanks ranging from 0.3mm up to 3.4mm, making them ideal for precision, fine-detail, and general drilling tasks across a wide range of bit sizes.

Q: Is there a maximum RPM I should not exceed when using these chuck adapters?

A: Yes — do not exceed 10,000 RPM. Always start your tool at the lowest speed setting after mounting the adapter, then gradually adjust upward. Running at high speed immediately after mounting can cause the rear axle to bend and damage the adapter or your tool.

Q: Are these chuck adapters suitable for both home and professional use?

A: Absolutely. Their aluminium alloy construction and versatile compatibility make them well suited for home DIY projects, automotive workshops, garages, warehouses, and office maintenance tasks alike.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.