THREAD MILLING TOOLS IC908 TP MTH-UN (external) W1 Helical Thread Milling Inserts for American Full Profile External lNSL Threads for General Applications S1 TP NUT Dimensions TP/4 60° TP/8 SCREW Designation TPI(1) INSL W1 S1 MTH 23 E 20 UN 20.0 27.00 8.00 3.50 • MTH 23 E 18 UN 18.0 27.00 8.00 3.50 • MTH 23 E 16 UN 16.0 27.00 8.00 3.50 • MTH 23 E 14 UN 14.0 27.00 8.00 3.50 • MTH 23 E 12 UN 12.0 27.00 8.00 3.50 • MTH 23 E 10 UN 10.0 27.00 8.00 3.50 • MTH 23 E 8 UN 8.0 27.00 8.00 3.50 • MTH 23 E 7 UN 7.0 27.00 8.00 3.50 • MTH 32 E 24 UN 24.0 32.00 9.00 4.00 • MTH 32 E 20 UN 20.0 32.00 9.00 4.00 • MTH 32 E 18 UN 18.0 32.00 9.00 4.00 • MTH 32 E 16 UN 16.0 32.00 9.00 4.00 • MTH 32 E 12 UN 12.0 32.00 9.00 4.00 • MTH 32 E 8 UN 8.0 32.00 9.00 4.00 • MTH 32 E 6 UN 6.0 32.00 9.00 4.00 • • Used for UN, UNC, UNF, UNEF and UNS thread profiles • For cutting speed recommendations, see page 435 (1) Threads per inch For tools, see pages: MTSRH (endmills) (418) • MTSRH (helical shell mill) (418) 430 ISCAR