FORTIS Chuck for screw-in cutter SK40 DIN69871AD/B M10x75mm

Chuck for screw-in cutters ISO 7388-1 (DIN 69871), Form AD/B, SK 40, balancing quality: G 2.5 25000 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 according to DIN 254.

Taper angle tolerance: AT3
Taper surface roughness: Ra < 0.001 mm
Hardened 58 ± 2 HRC