Collet chuck ER Mini
• Made of alloyed case hardening steel
• Hardened 58 ± 2 HRC, min. 0.5 mm deep
• Tensile strength in core after case hardening approx. 950 N/mm²
• Taper DIN 254
• Taper angle tolerance AT3
• Taper surface accuracy Ra < 1 µm
• Concentricity < 0.005 mm
• Balancing quality G 2.5 at 25000 min-1
• Tool holder DIN 69893-A
• To nest tools with cylinder shaft in collets acc. to DIN 6499 (ER)
Supplied: collet chuck complete with clamping nut.