ER collet chuck

• For DIN 6499 ER collets
• Alloyed case-hardened steel with a core tensile strength of min. 950 N/mm², case-hardened to HRC 60 ± 2 (HV 700 ± 50), case depth 0.8 mm ± 0.2 mm
• Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080, max. true running accuracy < 0.005 mm
• Supplied with clamping nut

DIN69893-1 HSK-A

• Pre-balanced to G 2.5 / 22,000 rpm
• Internal coolant supply