RUKO STS-Set20tlg-8072-100mm/4Z Collet Set, 20 Pieces, Clamping Diameter 2-21 mm, for RÖHM KFD-HS Chucks, 100 mm Nominal Size, High-Grade Tool Steel

The RUKO STS-Set20tlg-8072-100mm/4Z is a 20-piece collet set engineered for precision clamping of round workpieces and tools on lathes, milling machines, and machining centers. The set covers clamping diameters from 2 mm to 21 mm in 1 mm increments, providing a complete solution for a wide range of machining tasks.

Advantages

Each collet is manufactured from high-grade tool steel, hardened and precision ground to ensure a runout accuracy of less than 0.015 mm. The slotted collet design delivers uniform gripping force and excellent concentricity, reducing vibration and improving surface finish. The set is supplied in a wooden storage box for organized protection and quick identification.

Suitable for

• Clamping round workpieces and tools with diameters from 2 mm to 21 mm
• Use with RÖHM KFD-HS collet chucks with a nominal chuck size of 100 mm
• Lathes, milling machines, and machining centers requiring high-precision collet clamping

Key specifications

• Set type: Collet set
• Number of pieces: 20
• Collet series: RÖHM 8072
• Clamping diameter range: 2 mm - 21 mm
• Clamping diameter increments: 1 mm
• Compatible chuck type: RÖHM KFD-HS collet chucks
• Nominal chuck size: 100 mm
• Material: High-grade tool steel
• Manufacturing process: Hardened and precision ground
• Runout accuracy: < 0.015 mm
• Collet design: Slotted
• Product designation code: 4Z
• Storage: Wooden storage box included

Recommendations

For optimal performance, ensure the collet chuck is clean and properly seated before inserting the collet. Always match the collet size exactly to the workpiece or tool diameter to maintain accuracy and prevent damage.