0–4mm Keyless Drill Chuck Adapter With 2mm & 3mm Dual Shank

0–4mm Keyless Drill Chuck Adapter With 2mm & 3mm Dual Shank

Important Purchase Reminder

This listing only includes keyless chuck adapter; rotary electric grinder is sold separately and not contained in the package.

Product Overview

This tool-free drill chuck converter supports 0–4mm adjustable clamping range, equipped with dual compatible 2mm & 3mm input shanks to match most standard rotary grinders. Made of high hardness alloy steel, it reaches a safe max speed of 35000 RPM. No special chuck key required for quick swap of carving, drilling and polishing bits. Compact mini size works perfectly for tiny crafts, jewelry finishing and narrow gap wood carving tasks.

Core Key Advantages

• 0–4mm Wide Adjustable Clamping Range Fits all small rotary processing bits.
• Dual 2mm / 3mm Universal Input Shank, compatible with most rotary power tools.
• Keyless Twist Lock Design, fast bit replacement without extra chuck key.
• Durable Alloy Steel Body, stable operation up to 35000 RPM.
• Mini Compact Structure, ideal for tight hidden space carving work.
• Multi-scene use for wood, resin, metal miniature workpiece processing.

Full Technical Specifications

Model SKU	MZ001939
Clamping Range	0 mm – 4 mm
Compatible Shank	2 mm / 3 mm Dual Size
Main Material	High Hardness Alloy Steel
Max Safe RPM	35000 RPM
Operation Type	Tool-Free Keyless Lock
Applicable Bits	Drill / Carve / Polish / Grind Attachments
Pack Note	Rotary Grinder Not Included

Wide Application Scenarios

• Wood carving & furniture narrow gap trimming
• Resin miniature model deburring
• Metal jewelry polishing & engraving
• Small hardware mold edge finishing
• Home DIY craft & handyman repair work

Safety Operation Guidelines

1. Wear safety goggles and protective gloves before high-speed work.
2. Fully hand-tighten chuck to prevent bit ejection during rotation.
3. Do not exceed rated 35000 RPM to avoid chuck wear & looseness.
4. Clamp workpiece firmly to eliminate sliding risk.
5. Stop use if chuck becomes loose or produces abnormal noise.
6. Store in dry tool box to prevent alloy steel rusting.

Package Contents

• 1 × 0–4mm Keyless Drill Chuck Adapter
• 1 × Multilingual User Manual

Frequently Asked Questions

Q1 What shank sizes does this chuck support?

A1 Dual compatible 2mm and 3mm input shanks for most rotary grinders.

Q2 What’s the maximum safe rotation speed?

A1 Rated max safe operating speed is 35000 RPM.

Q3 Does this set include rotary grinding machine?

A1 Only keyless chuck adapter, power tool is not included.

Q4 What size bits can be clamped?

A1 Adjustable clamping range from 0mm to 4mm for small processing bits.

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