Constructed from SUJ2 high‑carbon bearing steel. Hardness reaches HRC46. Precision up to 0.02mm, surface roughness within Rz2.5. Concentricity complies with DIN standard, full‑inspected. Features strong clamping force and wide clamping range, good rigidity and wear resistance for heavy‑cutting work. With elastic expansion function, suitable for holding drills, taps, end mills and reamers for CNC machining.
ER Collet
High‑precision ER collet made of SUJ2 bearing steel, large clamping force for drills, end mills and taps.
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