Nikken Collet Chuck Extension CAT40 GSK16 900P - CNC Tool Holder

Nikken Collet Chuck Extension Model: CAT40 GSK16 900P Condition is used ð ï¸ Nikken CAT40 GSK16-900P Collet Chuck â Precision Tool Holder, 90mm Projection The Nikken CAT40 GSK16-900P is a high-precision collet chuck designed for use in CNC machining centers requiring superior concentricity, rigidity, and tool retention. Known for their exceptional craftsmanship, Nikken tool holders are trusted in high-speed and high-accuracy machining operations across aerospace, automotive, and die/mold industries. This model features a CAT40 taper with a GSK16 collet system and a 90mm projection , making it ideal for applications requiring medium-length reach without compromising on precision or balance. â Key Features: Brand: Nikken Model Number: CAT40 GSK16-900P Type: Collet Chuck Taper: CAT40 (ANSI B5.50 standard) Collet Size: GSK16 â accepts tools with shank diameters from approximately 1mm to 16mm (based on GSK collet spec) Projection Length: 90 mm (from gauge line) Material: High-grade alloy steel, heat-treated for superior wear resistance Clamping: Precision nut-driven collet compression for excellent gripping force Runout Accuracy: â¤5 microns TIR (typical Nikken spec) Balanced: Suitable for high-speed machining (typically balanced to G2.5 at 20,000 RPM) ð­ Applications: CNC vertical and horizontal machining centers High-precision milling, drilling, and reaming Ideal for toolrooms, aerospace components, mold & die, and production machining Excellent for applications requiring tight tolerance and minimal runout