FORTIS Spacer sleeve DIN69871ADBform B SK40/MK4

Spacer ISO 7388-1 (DIN 69871), Form A, SK 40

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

Application: To mount tools with Morse taper shank and tangs.