
Solid Threading Endmills for Internal with Relieved Neck and Coolant Hole Solid Threading Endmills for External Thread ISO 60 ° METRIC ISO 60 ° METRIC ap P P RH 1 / 8P Screw ap H L dh6 PPP 1 / 8P Screw D 15 ”; L •Application: General engineering dh6 Pitch Thread Dimension ( mm ) Dimension ( mm ) Designation ( mm ) No . of flutes Designation Pitch ( mm ) No . of flutes Size d D ap H L d D ap L SMTQ 1010 D 32 1.00 ISO 1.00 cp > 12 10 10.0 18.0 32.0 73 4 ESMT 1010 D 16 1.00 ISO 1.00 10 10.0 16.5 73 4 1212 D 38 1.00 ISO 1.00 cp > 14 12 12.0 21.0 38.0 84 4 1212 E 20 1.00 ISO 1.00 12 12.0 20.5 84 5 1616 F 45 1.00 ISO 1.00 cp > 18 16 16.0 26.0 45.0 105 6 1010 D 16 1.25 ISO 1.25 10 10.0 16.9 73 4 1010 D 30 1.50 ISO 1.50 cp > 13 10 10.0 18.0 30.0 73 4 1212 D 34 1.50 ISO 1.50 cp > 15 12 12.0 19.5 34.5 84 4 1010 D 15 1.50 ISO 1.50 10 10.0 15.8 73 4 1616 F 43 1.50 ISO 1.50 cp > 19 16 16.0 25.5 43.5 105 6 1212 D 20 1.50 ISO 1.50 12 12.0 20.3 84 4 2020 F 60 1.50 ISO 1.50 cp > 23 20 20.0 36.0 60.0 105 6 1212 D 20 1.75 ISO 1.75 12 12.0 20.1 84 4 1212 D 42 2.00 ISO 2.00 cp > 16 12 12.0 24.0 42.0 84 4 1010 C 17 2.00 ISO 2.00 10 10.0 17.0 73 3 1616 E 45 2.00 ISO 2.00 cp > 20 16 16.0 26.0 45.0 105 5 2020 F 56 2.00 ISO 2.00 cp > 24 20 20.0 34.0 56.0 105 6 1212 D 21 2.00 ISO 2.00 12 12.0 21.0 84 4 1616 D 45 3.00 ISO 3.00 cp > 22 16 16.0 30.0 45.0 105 4 2020 E 54 3.00 ISO 3.00 cp > 26 20 20.0 33.0 54.0 105 5 109 2020 D 45 3.50 ISO 3.50 cp > 26 20 20.0 28.0 45.5 105 4 110 2525 D 64 4.00 ISO 4.00 cp > 31 25 25.0 40.0 64.0 105 4 UN 60 ° AMERICAN UN ( UNC UNF UNEF UNS ) UN 60 AMERICAN UN(UNC UNF UNEF UNS) ap D dh6 P PPP 15 ”; L \ D dh6 ap 1 / 8P Screw H L •Application: General engineering 1 / 8P Screw Dimension ( mm ) Designation TPI No . of flutes Dimension ( mm ) d D ap L Thread Designation TPI No . of flutes Size d D ap H L ESMT 1010 D 1624 UN 24 10 10.0 16.4 73 4 1212 E 21 20 UN 20 12 12.0 21.0 84 5 SMTQ 1010 D 30 20 UN 20 cp > 12 10 10.0 17.8 30.5 73 4 1212 D 2018 UN 18 12 12.0 20.5 84 4 1212 E 35 20 UN 20 cp > 14 12 12.0 20.3 35.6 84 1616 F 43 20 UN 20 cp > 18 16 16.0 25.4 43.2 105 6 1212 D 21 16 UN 16 12 12.0 21.4 84 4 1212 D 35 18 UN 18 cp > 15 12 12.0 19.7 35.3 84 4 1212 D 20 14 UN 14 12 12.0 20.9 84 4 1212 D 3516 UN 16 cp > 15 12 12.0 20.7 35.0 84 4 1212 D 20 12 UN 12 12 12.0 20.1 84 4 1616 E 42 16 UN 16 cp > 19 16 16.0 25.4 42.8 105 5 2020 F 58 16 UN 16 cp > 23 20 20.0 36.6 58.8 105 6 1616 E 45 14 UN 14 cp > 20 16 16.0 25.4 45.3 105 5 1212 D 42 12 UN 12 cp > 16 12 12.0 25.4 42.3 84 4 2020 E 55 12 UN 12 cp > 24 20 20.0 33.9 55.1 105 5