Pro Grade ER 25 Collet Chuck With 7.0-7.5 Mm Grip Range For Precise Milling And Machining, 26 Mm Outer Diameter, Heavy Duty Tooling For Pros And DIYers In Industrial Settings

ER 25 Collet Chuck with 7.0-7.5 mm Grip, 26 mm OD, 1 pc
✔️ Grip 7.0-7.5 mm, OD 26 mm, length 34 mm, SUS 420 stainless

This precision ER 25 collet chuck is a high-precision tool holder designed for milling and machining tasks. It’s a common choice in machine shops, manufacturing facilities, and DIY workbenches needing accurate tool retention.

✅ 26.0 mm outer diameter
✅ 34.0 mm total length
✅ Grip range: 7.0-7.5 mm
✅ Concentricity (run-out): within 2 μm
✅ 3d tip core run-out: 5 μm or less
✅ World standard 16° taper collet (8° per side)
✅ DIN6499B, ISO15488B
✅ Material: SUS 420 stainless steel
✅ Mass: 90 g

💡 What is an ER 25 collet chuck used for in precision milling and metalworking?

This handy tool holder secures cutting tools with tight retention and repeatable results.

- Used with ER 25 collets to grip tool shanks securely
- Grip range 7.0-7.5 mm for small cutters
- Concentricity within 2 μm and 3d run-out ≤5 μm
- DIN6499B and ISO15488B compliant for machine compatibility
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