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Your cart is empty.ER-20 1/8" Spring Collet ~ Range of collet is .12-.16. ~ Made of high grade tool steel. ~ Hardened and precision ground. ~ Meets or exceeds Federal specifications. ~ Major diameter is .830". ~ Overall length is 1.230". ~ Collet must be placed into collet chuck nut before inserting into collet chuck.
tzutsi
Reviewed in the United States on December 4, 2017
Not at all precise, the bit visible moves around the center point.
GerryK
Reviewed in the United States on December 25, 2017
This seems to do a very good job the my 1/8" bits in an ER-20 collet. Run-out and tolerances are very good.
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