Threading Technology – Clamping Technology 520

520 Quick-Change Tap Holders Soft- synchro Speed- synchro KSN MQL SFM HF EM Accessories Tech. Info Product Finder Ordering Example: F3301781.16 Type Shank Size inch EDP Number ø D ø D 1 L 1 L 2 G C T ZA KSN 1 M3 - M14 (No.0 - 9 / 16 ) EM 01 CAT 40 1) 1.4173 0.7480 2.9134 2.6870 5 / 8 - 11 0.1969 0.3150 0.0827 F3301781.16 CAT 50 1) 1.4173 0.7480 2.9134 4.0000 1 - 8 0.1969 0.3150 0.0827 F3301783.16 KSN 3 M4.5 - M24 ( 1 / 4 - 7 / 8 ) EM 03 CAT 40 1) 2.0866 1.2205 3.8583 2.6870 5 / 8 - 11 0.3346 0.5906 0.1102 F3303781.16 CAT 50 1) 2.0866 1.2205 3.8583 4.0000 1 - 8 0.3346 0.5906 0.1102 F3303783.16 KSN 4 M14 - M36 ( 5 / 8 - 1 3 / 8 ) EM 04 CAT 40 3.0709 1.8898 5.7874 2.6870 5 / 8 - 11 0.5906 0.9252 0.1614 F3304781.16 CAT 50 1) 3.0709 1.8898 6.2598 4.0000 1 - 8 0.5906 0.9252 0.1614 F3304783.16 KSN 5 M22 - M48 ( 7 / 8 - 1 7 / 8 ) EM 05 CAT 40 3.7795 2.3622 6.2992 2.6870 5 / 8 - 11 0.6496 0.9843 0.2244 F3305781.16 CAT 50 3.7795 2.3622 6.2992 4.0000 1 - 8 0.6496 0.9843 0.2244 F3305783.16 L 1 L 2 G SK ASME B5.50, UNC ø D 1 ø D Front release Tension ZA T Compression C With bore for data chip according to DIN 69873 Further designs upon request Accessories Quick-change adapters EM series   583 - 601 KSN CAT Shank ASME B5.50, UNC drawbolt thread IKZ MQL p max 700psi (50bar) p max 85psi (6bar) C T F For use on CNC machining centers, other machine tools and pillar drilling machines 1) Adaption by DIN 1835 B