10 PIECE SET ER 20 COLLETS 1/8 TO 1/2 SIZES
These collets will fit a single ER 20 collet holder for fast changing of mills or drills without the necessity of changing the R 8 collet. ER 20 holders are designed for millings speeds of 10,000rpm and are balanced and ground for extreme precision. Set comes in a fitted case to keep them organized for fast reference.
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