Brass Collet Disclaimer Notice

1. Safety Warning: Tighten collet nut fully before installing drill bits to avoid bit shaking.
2. Disclaimer: This universal brass collet set is aftermarket rotary tool accessory, not original spare part of any power tool brand.

Core Product Features

• 5 common clamping sizes: 1mm / 1.5mm / 2.35mm / 3mm / 3.17mm to fit various tiny drill bits
• High-precision solid brass material, low vibration and high concentricity during high-speed rotation
• Uniform 4.8mm outer shank diameter, total length 17mm for universal matching
• Each collet supports independent clamping range: 0.6-1.2mm / 1.4-1.7mm / 1.8-2.4mm / 2.5-3mm / 3.2mm bits
• Slit split design, firm clamping without loose drill bit during carving & grinding
• Wide application for hardware DIY, jewelry carving, model making, circuit board polishing
• Compact single-piece structure, easy to replace and store for daily craft work

Full Technical Specifications

Package Included

• 1 × 1mm Brass Collet Chuck
• 1 × 1.5mm Brass Collet Chuck
• 1 × 2.35mm Brass Collet Chuck
• 1 × 3mm Brass Collet Chuck
• 1 × 3.17mm Brass Collet Chuck
• Multilingual Installation Manual

Wide Application Scenarios

• Jewelry fine carving & surface polishing
• PCB circuit board trimming & drilling
• Wood/metal handmade model making
• Nail art polishing drill clamping
• Hardware mold tiny deburring work

Safe Operation Steps

1. Select matched collet according to drill bit shank size before installation.
2. Screw the fixing nut tightly to eliminate bit shaking at high RPM.
3. Stop operation immediately if abnormal vibration occurs.
4. Store in dry place to avoid brass oxidation & rust.

Frequently Asked Questions

Q1 What clamping sizes are included in this set?

A1 Contains 1mm,1.5mm,2.35mm,3mm,3.17mm five universal specifications.

Q2 What outer shank size do these collets adopt?

A1 Unified 4.8mm outer diameter, fits most mini rotary grinders.

Q3 What material are the collets made of?

A1 High precision brass alloy with good concentricity and low vibration.

Q4 Is this collet set original brand matching accessory?

A1 This universal clamping accessory, not original spare parts of any power tool brand.

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