Key benefits Durable construction: Built from tough materials for long service life and reliable tool holding. Precise, repeatable clamping: Designed for use with ER16 collets to secure small-diameter tools accurately. Wide clamping range: Covers 3/16 inch to 1.27 cm, reducing the need to change holders for common small tools. Balanced for high-speed use: Engineered to run stably at speeds up to 12,000 rpm, minimizing vibration and improving surface finish. Standard shank and compatibility: TTS 1.9 cm straight shank for straightforward mounting in compatible spindles and tool posts; features a chuck (TIR) of 7.6 cm. Key specifications Product type: Collet chuck tool holder (Spannzangenfutter-Werkzeughalter) Collet compatibility: ER16 collets Shank: TTS 1.9 cm straight shank Clamping range: 3/16 inch to 1.27 cm Chuck (TIR): 7.6 cm Maximum speed: Up to 12,000 rpm Material: Durable materials for extended use How this solves common problems Eliminates tool slippage: Secure ER16 clamping reduces tool movement under load, improving cut quality and repeatability. Reduces setup time: One holder supports a broad range of small tools so you spend less time swapping hardware. Improves finish and accuracy: Balanced construction and high-speed capability reduce vibration and runout, yielding cleaner cuts and finer detail. Practical applications Precision CNC milling and engraving: Holds small end mills, cutters, and engraving bits for detailed work in metals, plastics, and composites. PCB drilling and electronic prototyping: Provides accurate, repeatable tool holding for small-diameter drills and reamers used in circuit-board production. Jewelry, model making, and small-part finishing: Stable, high-speed operation supports fine-detail work and consistent surface quality. Why choose this holder Compatible with standard ER16 collets and a TTS 1.9 cm straight shank for easy integration into existing setups. Broad clamping range with stable performance up to 12,000 rpm makes it a flexible choice for small-tool machining. Durable construction and measured chuck (TIR) of 7.6 cm help maintain precision over repeated use. What to check before purchase Verify your spindle or tool post accepts a TTS 1.9 cm straight shank. Ensure ER16 collets and the listed clamping range meet your tool diameters. Confirm required maximum speed does not exceed 12,000 rpm for your application. This collet chuck tool holder is a practical, reliable choice when you need accurate, high-speed clamping for small tools using ER16 collets.