FORTIS Shell end mill arbour JISB6339AD short BT40- 40mm

Face mill arbor, ISO 7388-2 (JIS B 6339 MAS/BT), Form AD, BT 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. Enlarged contact surfaces and cooling channel holes on the end face. Taper according to DIN 254.

Taper angle tolerance: AT3
Taper surface roughness: Ra < 0.001 mm
Bore tolerance: H6
Hardened: 58 ± 2 HRC

Application: To mount tools with cross groove to DIN 1880.