HSK - FACE MILL HOLDER - METRIC Taper SizeHSK-A 100 A ➚ A .005 58-60 HRc N5 G2.5 G1 15,000 RPM HSK D1 D D2 L2 L L1 Designation HSK-A D1 L D L1 D2* G1* HSK A 100 FM 60X70 100 60 70 128 40 101.6 M16 * Available only “FM” holders 768