Combi shell end mill arbour
• 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
• Tool holder DIN 69871
• Concentricity ≤ 0.01 mm
• Balancing quality G 6.3 at 15000 min-1
• To nest tools with cross groove acc. to DIN 1880
Supplied: shell end mill arbour with cutting retaining screw, driving ring and feather key sliding block.