12Pcs ER40 Collets Set With Common Size Range From 1/8 To 1-1/8 Inch For Boring Milling Drilling Tapping Engraving And CNC Spindle Machines Pro Grade Quality Shop Ready 0.0003 Inch Tolerance 5um 100 Percent Tested
✔️ Range 1/8 to 1-1/8 in, 0.0003 in accuracy, 100% tested
This 12-piece ER40 collet set is designed for precise tool holding in boring, milling, drilling, tapping, engraving, and CNC spindle work. It provides a tight gripping range and is 0.0003 inch accurate, with 100% tested before shipping.
✅ 12-piece ER40 collet set covers 1/8 to 1-1/8 in range
✅ Tight grip for boring, milling, drilling, tapping, engraving, and CNC
✅ 0.0003 in (5um) accuracy, 100% tested before shipping
✅ Compatible with standard ER40 spindle chucks for machining centers
💡 What is an ER40 collet set used for in milling and CNC work? This handy toolholding kit helps securely grip cutting tools for precision machining.
- Holds tools across a range of sizes for flexible setups
- Fits standard ER40 spindle chucks on most milling CNC machines
- Improves runout control and repeatability for clean cuts