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The CENTAUR 70031 is a standard single angle collet designed for TG/PG 100 collet chucks used in precision machining operations. It holds workpieces or cutting tools with a bore size of 0.5625 inches (9/16 inch) and delivers a total indicator reading (TIR) of 0.0005 inches, providing reliable concentricity for milling, drilling, and tapping applications. The collet measures 2.38 inches in overall length with a maximum body diameter of 1.38 inches. It is installed by machinists and toolroom technicians working with TG/PG 100 toolholding systems on CNC and manual machining centers.
This collet is suited for use in production and toolroom environments where consistent gripping force and runout control are required. The TG/PG 100 series is a common toolholding standard on vertical and horizontal machining centers. The 70031 is appropriate for applications involving end mills, drills, reamers, or round-shank tools with a 9/16 inch shank diameter. It is sold individually and intended for direct replacement or expansion of an existing TG/PG 100 collet set.
Designed as a direct-fit collet for TG/PG 100 series collet chucks accepting a 0.5625 inch bore size. Confirm chuck series and bore diameter before installation.
Installation is performed by a qualified machinist or toolroom technician. Power down and lock out the machine spindle before inserting or removing any collet. Ensure the collet, chuck bore, and tool shank are clean and free of chips or debris before seating. Do not exceed the tool shank diameter rating of the collet, as overloading can damage the collet taper and reduce clamping accuracy.
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