Pro Grade CNC Spindle Shaft ER11A 5mm Milling Collet Chuck Toolholder With 5 By 8 Shank, Deep Processing Ready, Top Notch Precision Ground For ER11 Nut Compatibility, Durable, Heavy Duty Machining Accessory
✔️ ER11A-5mm collet, 16mm shaft, 40mm height, 19mm nut, 9mm bore
This ER11A-5mm CNC spindle shaft collet is a steel toolholder designed for deep processing. It is commonly used in boring, milling, drilling, tapping, grinding and other processing tasks. The straight extended shank enables deeper reach for accessing hard-to-reach areas while maintaining secure tool clamping with a tightening nut.
✅ Type: ER11A-5mm collet with straight shank for deep processing
✅ Material: steel, precision ground to reduce unbalance and increase safety
✅ Dimensions: shaft dia 16mm (0.63 in); height 40mm (1.57 in); inner bore 5mm (0.19 in); nut dia 19mm (0.75 in); nut bore 9mm (0.35 in)
✅ Pack includes: 1 x Collet
✅ Used in boring, milling, drilling, tapping, grinding and other processing
💡 What is an ER11A 5mm collet used for in CNC milling and deep processing?
This handy guide explains why this collet matters in toolholding and precision work.
- Holds 5mm shank tooling securely during milling, drilling, and boring
- Provides strong clamping with the nut for repeatable accuracy
- Enables deep hole processing with a straight extended shank