Collet chuck Type ER, DIN 69871, Form AD/B, SK 50, balancing quality G2.5 22,000 min-1
Design: Made of alloy case-hardened steel, with a core tensile strength of approx. 950 N/mm² and a hardness depth of min. 0.5 mm. Taper to DIN 254. All functional surfaces machined and guaranteed quality thanks to double 100 % control.
Taper angle tolerance: AT3
Taper surface roughness: Ra < 0.001 mm
Hardened: 60 –2 HRC
Application: For clamping tools with cylindrical shank in collets to ISO 15488 (previously DIN 6499).
Scope of delivery: Collet chuck complete with clamping nut (balanced, with anti-friction coating for increased clamping force).
Note: Dimension I2 specifies the maximum insertion depth for tools.