Combi face mill adaptor, DIN 69893, Form A, HSK 63 Design: Precision balanced. Made of special case-hardened steel for highly stressed components, with a core tensile strength of min. 1000 N/mm². All functional surfaces precision machined and guaranteed quality thanks to double 100 % control. More precise than DIN. Hardened 58 –2 HRC. Application: For clamping shell end mills DIN 841 and DIN 1880 as well as single angle milling cutters DIN 842 and face mills DIN 1830. Scope of delivery: Combi face mill adaptor complete with milling cutter lock screw, driving ring and fitted key.