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The CENTAUR 70030 is a standard single angle collet designed for use in TG/PG 100 collet chuck systems. It holds workpieces or cutting tools at a nominal bore size of 0.5469 inches (35/64 inch) with a total indicator runout (TIR) of 0.0005 inches, delivering the concentricity required for precision milling, drilling, and boring operations. The collet measures 2.38 inches in overall length with a maximum body diameter of 1.38 inches. It is installed by machinists and CNC toolroom technicians in production and job-shop environments where consistent, repeatable tool holding is essential.
This collet is suited for TG/PG 100 toolholding setups found in vertical and horizontal machining centers, CNC mills, and manual milling machines. The 35/64 inch bore accommodates shanks at that nominal diameter. Facilities running high-precision workholding programs specify this collet series for its low runout tolerance and consistent clamping force across production cycles.
Designed for use with TG/PG 100 series collet chucks accepting standard single angle collets with a 0.5469 inch bore. Verify chuck body specifications before installation.
TG collets are installed by qualified machinists or toolroom technicians. Ensure the spindle is fully stopped and locked out before changing tooling. Clean the chuck body bore and collet taper surfaces before seating to prevent runout caused by chips or debris. Use the appropriate spanner wrench or collet nut wrench for the TG 100 nut size and tighten to the chuck manufacturer's specified procedure.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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