ER11 ER16 ER20 ER25 ER32 ER40 Spring Collet 2mm to 20mm for CNC, Milling Machine

ER11 ER16 ER20 ER25 ER32 ER40 2mm to 20mm. - ER40 Clamping Nut(M50x1.5). - ER25 Clamping Nut(M32x1.5). - ER16 Clamping Nut: Coarse Threaded(M22x1.5) ,Fine Threaded(M19x1.0). - ER20 Clamping Nut(M25x1.5).

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