fortis Insert sleeve Form-D DIN 2080SK40/MK4

- Tool holder DIN 2080 Form A
- Made of alloy case hardening steel
- Hardened 58 ±2 HRC, min. 0.5 mm deep
- Tensile strength in the core after case hardening approx. 980 N/mm²,
- Taper DIN 254
- Taper angle tolerance AT3
- Surface accuracy of the taper Ra <1 µm
- Concentricity <0.01
mm
- Balance quality G 6.3 at 8000 min-1
- To accommodate tools with Morse taper shank and expulsion flap