ER40 Collet Chuck Set 17 Pieces With MT3 Shank, Heavy Duty Pro Grade Spring Collets, 2 to 26 mm Clamping Range, One Half Inch Drawbar Thread, Includes One Eighth to One Inch Collets, Boxed Kit For CNC Engraving Machines And Milling Lathe

ER40 Collet Chuck Set with MT3 Shank - 17-Piece CNC Kit
✔️ 2-26 mm clamping range, MT3 shank, 1/2-20 drawbar, 17-piece kit

This 17-piece ER40 collet chuck set is designed for CNC engraving machines and milling lathes, offering a MT3 mount and a broad 2-26 mm clamping range. The included 15 ER40 spring collets and a wrench come in a boxed kit for easy setup and organization.

✅ 2-26 mm range (0.079-1.024 in) tooling coverage
✅ MT3 shank chuck with 1/2-20 drawbar thread
✅ 15 ER40 collets from 1/8" to 1" (3.175-25.4 mm)
✅ 0.0005 inch accuracy (0.0127 mm) for tight tolerances
✅ Durable alloy steel construction for rugged use

💡 What is an ER40 collet chuck used for in CNC milling?

• Handy for securely gripping cutting tools and end mills with high precision on CNC mills
• Supports quick tool changes on MT3 spindles, keeping production moving in engraving and milling
• Helps maintain tool accuracy by reducing runout and slippage during milling operations

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