DUIBAII 29pcs ER40 Industrial Precision Spring Collet Set, Milling Lathe CNC Chuck Bit Holder Tool, High Precision Spring Clamping Collet for Boring, Drilling, Tapping

DUIBAII 29pcs ER40 Industrial Precision Spring Collet Set, Milling Lathe CNC Chuck Bit Holder Tool, High Precision Spring Clamping Collet for Boring, Drilling, Tapping

• 【Build to Last】: Made of premium 40cr with a cutting process, this ER40 precision spring collet set is impact-resistant and not easy to deform, ensuring its long-term service life.
• 【Wide Clamping Range】: The 29 pieces of collets of different specifications allow for a wide clamping range (1/8''-1'') to meet your different needs.
• 【Stable Clamping Force】: Once tightened, spring collet set provides a consistent and reliable clamping force, preventing tool slippage during high-speed machining.
• 【Thoughtful Design】: Each collet has an independent packaging to prevent collision and wear during transportation and storage and to avoid confusion between collets of different sizes. It has a built-in self-release design and tools will not get stuck in the holder.
• 【Easy to Use】: The precision spring collet set does not need assembly itself, and you can start using it immediately without professional training, which is user-friendly and effort-saving.With its small size (each collet size: 1.6*1.8in) and lightweight (29 pieces total weight: 16.14 lbs), the product can be stored without taking up too much space and can be carried quickly for usage in different places.