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Acrow ER251312 – ER25 Spring Collet (Ø13–12 mm Range, DIN6499) E-Z Coil Kit Economy 9/16"-12X1.5D Unc Helicoil Thread Repair E-Z LOK Economy Thread RepairAcrow ER251312 ER25 Spring Collet (1312 mm Range, DIN6499) The Acrow ER251312 is a precision ER25 Spring Collet designed for clamping tools within the 1312 mm diameter range. Manufactured to the DIN6499 standard, this collet delivers excellent concentricity, reliable clamping pressure, and strong durability. Constructed from premium hardened spring steel, it ensures stable, accurate, and long lasting performance in CNC milling, drilling, and general