Face mill arbor, JIS B 6339 (MAS-BT), Form AD/B, BT 40
Design: Precision balanced. Made of alloy case-hardened steel, with a core tensile strength of min. approx. 950 N/mm² and a hardness depth of min. 0.5 mm. All functional surfaces finely machined and guaranteed quality thanks to double 100 % control. With coolant outlet holes on the end face for milling cutters and internal cooling.
Taper tolerance: AT3
Hardened: 60 –2 HRC
Application: To mount face mills and milling cutters with cross groove DIN 1880.
Scope of delivery: Face mill arbor complete with milling cutter lock screw.