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The CENTAUR 70037 is a standard single angle collet designed for use with TG/PG 100 collet chuck systems. It accepts a 0.6563-inch (21/32 inch) tool shank and delivers a total indicator runout (TIR) of 0.0005 inches, making it suitable for precision machining applications where concentricity matters. The collet measures 2.38 inches overall length with a maximum body diameter of 1.38 inches. This type of collet is installed by machinists and toolroom technicians in CNC machining centers, milling machines, and toolholding setups that use the TG/PG 100 standard.
The CENTAUR 70037 is suited for production and toolroom environments running TG/PG 100 collet chucks. It is appropriate for both light and moderate material removal operations where accurate tool holding is required. The 0.6563-inch bore accommodates standard fractional and decimal-equivalent shank tooling in that size range, providing a secure grip for end mills, drills, and similar cutting tools.
Designed as an OEM-style replacement and standard fitment collet for TG/PG 100 series collet chuck systems accepting 0.6563-inch shank tooling.
Installation should be performed by a qualified machinist or toolroom technician with the spindle fully stopped and the machine in a locked-out, de-energized state. The collet and chuck bore should be clean and free of chips, oil, or debris before seating. Do not exceed the chuck manufacturer's specified clamping torque range for TG/PG 100 components. Inspect the collet for wear or damage before each use to maintain TIR performance.
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