ATT0024 - SK40-ER25-100 Tool Holder Chuck - 5-piece set

The ATT0024 5-piece collet chuck set, in the SK40-ER25-100 format, is designed to ensure high precision and stability when machining on milling machines and CNC machining centers. Compliant with DIN 69871, this set is ideal for high-quality milling and drilling operations.
Made of 20CrMnTi alloy steel, the spindles offer wear resistance and long life. Balancing to the G2.5 standard allows operation up to 25,000 rpm, reducing vibration and improving machining quality.
A concentricity tolerance of 0.003 mm ensures extreme precision, ideal for high-speed applications. With an overall length of 168.4 mm, a shaft length of 80.9 mm, and a clamping nut diameter of 42 mm, these chucks accommodate tools with diameters ranging from 3 to 16 mm, offering versatility and adaptability to different production needs.

✔ Ideal for milling machines and CNC centers
✔ High precision with concentricity of 0.003 mm
✔ Balanced G2.5 for speeds up to 25,000 rpm
✔ 20CrMnTi steel construction for maximum strength

Technical specifications

Model ATT0024
Type Set of 5 collet chucks
DIN 69871 standard
Format SK40-ER25-100
Material: 20CrMnTi alloy steel
G2.5 balancing up to 25,000 rpm
Concentricity 0.003 mm
Total length 168.4 mm
Shaft length 80.9 mm
Clamping ring diameter 42 mm
Supported tool range 3 - 16 mm