ATT0025 - SK40-ER32-100 Tool Holder Chuck - 5-piece set

The ATT0025 set of 5 collet chucks, in the SK40-ER32-100 format, is designed to ensure maximum stability and precision when machining on milling machines and CNC machining centers. Compliant with DIN 69871, this set guarantees high performance in drilling, milling, and high-speed machining operations.
Made of 20CrMnTi alloy steel, these chucks offer wear resistance and long life. The G2.5 balance allows operation up to 25,000 rpm, reducing vibration and ensuring more precise machining surfaces.
The concentricity tolerance of 0.003 mm allows for machining with the utmost precision. With an overall length of 168.4 mm, a shaft length of 80.9 mm, and a clamping nut diameter of 50 mm, these chucks are compatible with tools with diameters ranging from 3 to 20 mm, ensuring versatility and adaptability to different machining 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 ATT0025
Type Set of 5 collet chucks
DIN 69871 standard
Format SK40-ER32-100
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 50 mm
Supported tool range 3 - 20 mm