THREAD MILLING TOOLS TP 6H MTH-ISO (internal) W1 DIN13, ISO 68-1, ISO 965 (1&2) Helical Thread Milling Inserts for ISO Metric Internal Threading lNSL S1 TP NUT TP/4 Dimensions 60˚ TP/8 SCREW IC908 Designation TP(1) INSL W1 S1 THID(2) MTH 23 I 1.0 ISO 1.000 27.00 8.00 3.50 =>M26 • MTH 32 I 1.0 ISO 1.000 32.00 9.00 4.00 =>M34 • MTH 23 I 1.5 ISO 1.500 27.00 8.00 3.50 =>M27 • MTH 32 I 1.5 ISO 1.500 32.00 9.00 4.00 =>M35 • MTH 45 I 1.5 ISO 1.500 37.00 11.90 5.00 =>M50 • MTH 63 I 1.5 ISO 1.500 38.00 11.90 5.00 =>M70 • MTH 23 I 2.0 ISO 2.000 27.00 8.00 3.50 =>M28 • MTH 32 I 2.0 ISO 2.000 32.00 9.00 4.00 =>M36 • MTH 45 I 2.0 ISO 2.000 37.00 11.90 5.00 =>M50 • MTH 63 I 2.0 ISO 2.000 38.00 11.90 5.00 =>M70 • MTH 23 I 3.0 ISO 3.000 27.00 8.00 3.50 =>M30 • MTH 32 I 3.0 ISO 3.000 32.00 9.00 4.00 =>M38 • MTH 45 I 3.0 ISO 3.000 37.00 11.90 5.00 =>M56 • MTH 63 I 3.0 ISO 3.000 38.00 11.90 5.00 =>M75 • MTH 23 I 3.5 ISO 3.500 27.00 8.00 3.50 =>M33 • MTH 32 I 3.5 ISO 3.500 32.00 9.00 4.00 - • MTH 45 I 3.5 ISO 3.500 37.00 11.90 5.00 - • MTH 23 I 4.0 ISO 4.000 27.00 8.00 3.50 =>M36 • MTH 32 I 4.0 ISO 4.000 32.00 9.00 4.00 =>M40 • MTH 45 I 4.0 ISO 4.000 37.00 11.90 5.00 =>M56 • MTH 63 I 4.0 ISO 4.000 38.00 11.90 5.00 =>M75 • MTH 32 I 4.5 ISO 4.500 32.00 9.00 4.00 =>M42 • MTH 45 I 4.5 ISO 4.500 37.00 11.90 5.00 - • MTH 32 I 5.0 ISO 5.000 32.00 9.00 4.00 =>M48 • MTH 45 I 5.0 ISO 5.000 37.00 11.90 5.00 - • MTH 45 I 5.5 ISO 5.500 37.00 11.90 5.00 =>M56 • MTH 45 I 6.0 ISO 6.000 37.00 11.90 5.00 =>M64 • MTH 63 I 6.0 ISO 6.000 38.00 11.90 5.00 =>M78 • • For cutting speed recommendations, see page 497 (1) Thread pitch (2) Internal thread designation For tools, see pages: MTSRH (endmills) (476) • MTSRH (helical shell mill) (477) 490 ISCAR