
D 2 L max A 0.003 A AT3 Taper 50-52 HRc SS L min 4˚ BT-SRK Thermal Shrink Chucks d 2 D 1 G2.5 with BT MAS-403 Tapered G J 25,000 RPM Shanks for Carbide Tools U<1.0 gmm L 3 L 1 L Designation SS d 2 D 1 D 2 L L 1 L 3 L min L max J Key (1) kg G BT30 SRK 3X50 30 3.00 10.00 15.00 72.00 50.0 36.30 10.0 20.0 M6 3.00 M12 0.43 BT30 SRK 4X50 30 4.00 10.00 15.00 72.00 50.0 36.30 12.0 22.0 M6 3.00 M12 0.43 BT MAS-403 BT30 SRK 5X50 30 5.00 10.00 15.00 72.00 50.0 36.30 15.0 25.0 M6 3.00 M12 0.42 BT30 SRK 6X50 30 6.00 11.00 16.00 72.00 50.0 36.60 18.0 28.0 M8 4.00 M12 0.43 BT30 SRK 8X50 30 8.00 14.00 20.00 72.00 50.0 43.30 25.0 35.0 M10 5.00 M12 0.45 BT30 SRK10X50 30 10.00 16.00 22.00 72.00 50.0 42.80 30.0 40.0 M8 4.00 M12 0.47 BT30 SRK12X50 30 12.00 20.00 26.00 72.00 50.0 42.70 32.0 42.0 M10 5.00 M12 0.51 BT40 SRK 3X50 40 3.00 10.00 15.00 77.00 50.0 35.55 10.0 16.0 M6 3.00 M16 1.00 BT40 SRK 3X85 40 3.00 10.00 19.00 112.00 85.0 64.15 10.0 16.0 M6 3.00 M16 1.00 BT40 SRK 4X50 40 4.00 10.00 15.00 77.00 50.0 35.55 12.0 18.0 M6 3.00 M16 0.98 BT40 SRK 4X85 40 4.00 10.00 19.00 112.00 85.0 64.15 12.0 18.0 M6 3.00 M16 1.06 BT40 SRK 5X50 40 5.00 10.00 15.00 77.00 50.0 35.55 15.0 21.0 M6 3.00 M16 1.00 BT40 SRK 5X85 40 5.00 10.00 19.00 112.00 85.0 64.15 15.0 21.0 M6 3.00 M16 1.00 BT40 SRK 6X50 40 6.00 11.00 16.00 77.00 50.0 35.50 18.0 24.0 M8 4.00 M16 0.98 BT40 SRK 6X85 40 6.00 11.00 20.00 112.00 85.0 64.15 18.0 24.0 M8 4.00 M16 1.00 BT40 SRK 8X50 40 8.00 14.00 20.00 77.00 50.0 42.50 25.0 31.0 M10 5.00 M16 1.00 BT40 SRK 8X85 40 8.00 14.00 23.00 112.00 85.0 63.95 25.0 31.0 M10 5.00 M16 1.15 BT40 SRK 10X50 40 10.00 16.00 22.00 77.00 50.0 42.40 30.0 36.0 M12 6.00 M16 1.04 BT40 SRK 10X85 40 10.00 16.00 24.50 112.00 85.0 60.28 30.0 36.0 M12 6.00 M16 1.12 BT40 SRK 12X50 40 12.00 20.00 26.00 77.00 50.0 42.30 32.0 42.0 M10 5.00 M16 1.06 BT40 SRK 12X85 40 12.00 20.00 28.00 112.00 85.0 56.60 32.0 42.0 M10 5.00 M16 1.22 • Preset screw without coolant hole. (1) Hex key size for the rear stopper screw 978-979 951-953 956-957 984 904 ISCAR