FEATURES :-
---- Can use general spanners when tightening.
---- When using , put collet into clamping nut and then into the body together.
---- ER - A nut can purchase separately.
---- Pre - balanced. Suitable for R.P.M. 80,000.
---- Many machine's spindles are manufactured by ER - M's size. Please choose QT clamping nut and spanner.
---- ER - M clamping nut is specially processed for small bore. Its external diameter and thread are smaller than ER - A.
---- The spanner can be purchased separately.
---- ER collet set has a spanner attached.
---- ER collet holder doesn't include a spanner.
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