Shell end mill arbour, DIN 2080, form A

Combi shell end mill arbour

• Made of alloyed case hardening steel
• All functional surfaces precisely machined
• 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 2080
• Concentricity ≤ 0.005 mm
• Balancing quality G 6.3 at 15000 min-1

Supplied: combi shell end mill arbour with cutting retaining screw.

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EANTaper shankMandrel ØMandrel lengthProjection lengthOffset Ø
4317784722827ST 4048 mm19 mm30 mm22 mm
4317784722810ST 4058 mm21 mm30 mm27 mm
4317784722803ST 4078 mm24 mm30 mm32 mm
4317784722797ST 4088 mm27 mm30 mm40 mm
4317784722780ST 5048 mm19 mm35 mm22 mm
4317784722773ST 5058 mm21 mm35 mm27 mm
4317784722766ST 5078 mm24 mm40 mm32 mm
4317784722759ST 5088 mm27 mm33 mm40* mm