HSK - THERMAL SHRINK HOLDER FOR MAKINO MAG3, MAG4 AND V77 MACHINE MODELS Taper SizeHSK FM-63 A ➚ A .00012 50-52 HRc Ra 4µin Lmax G2.5 Lmin 30,000 RPM 4°30’ HSKFM 63 dD D1 J L2 Ref L1 Ref L Ref Designation d D1 D L L1 L2 Lmin Lmax J Hex* HSK FM 63 SRKIN 1/4x3.13 .250 1.063 .827 3.130 2.106 1.500 .984 1.417 M5 2.5 HSK FM 63 SRKIN 5/16x3.13 .313 1.063 .827 3.130 2.106 1.500 .984 1.417 M6 3.0 HSK FM 63 SRKIN 3/8x3.50 .375 1.260 .945 3.500 2.476 2.000 1.220 1.654 M8 4.0 HSK FM 63 SRKIN 1/2x3.50 .500 1.260 .945 3.500 2.476 2.000 1.417 1.850 M8 4.0 HSK FM 63 SRKIN 5/8x3.50 .625 1.339 1.063 3.500 2.476 1.752 1.535 1.969 M8 4.0 HSK FM 63 SRKIN 3/4x3.00 .750 1.610 1.299 3.000 2.976 - 1.614 2.047 - - HSK FM 63 SRKIN 3/4x3.75 .750 1.654 1.299 3.750 2.726 2.250 1.614 2.047 M12 6.0 HSK FM 63 SRKIN 1x3.00 1.000 2.043 1.732 3.000 2.976 - 1.850 2.126 - - HSK FM 63 SRKIN 1x4.00 1.000 2.075 1.732 4.000 2.976 2.252 1.850 2.283 M16 8.0 * Metric ** The driving pins can be removed, turning the toolholder into a standard HSK F 63 type. Used for MAKINO’s machine models MAG3, MAG4 and V77 These tools are based on the HSK 63 F type with two drive pins which improve torque transmission. 757