IC908 THREAD MILLING TOOLS TP MTH-ISO (internal) W1 Helical Thread Milling Inserts for ISO Metric Internal Threads lNSL S1 TP NUTTP/4 Dimensions 60˚ TP/8 SCREW 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 435 (1) Thread pitch (2) Internal thread designation For tools, see pages: MTSRH (endmills) (418) • MTSRH (helical shell mill) (418) 429