
THREAD MILLING TOOLS TP MT LNHT-NPTF External and Internal NPTF Full W1 Profile Thread Milling Inserts for Steam, Gas and Water Pipes INSL S1 NUT TP Dimensions 30˚ 30˚ 90˚ Taper 1:16 IC908 SCREW Designation TPI(1) INSL W1 S1 TP(2) MT LNHT 1202 18NPTF 18.0 12.00 6.50 2.90 1.411 • MT LNHT 1403 18NPTF 18.0 14.00 7.90 3.20 1.411 • MT LNHT 1403 14NPTF 14.0 14.00 7.90 3.20 1.814 • MT LNHT 2104 14NPTF 14.0 21.00 12.60 4.80 1.814 • MT LNHT 2104 11.5NPTF 11.5 21.00 12.60 4.80 2.209 • MT LNHT 3005 11.5NPTF 11.5 30.00 16.70 5.60 2.209 • MT LNHT 3005 8NPTF 8.0 30.00 16.70 5.60 3.175 • MT LNHT 4006 11.5NPTF 11.5 40.00 20.80 6.40 2.209 • MT LNHT 4006 8NPTF 8.0 40.00 20.80 6.40 3.175 • • For cutting speed recommendations, see page 497 • Internal tolerance: ANSI/ASME B1.20.3 Standard NPTF • External tolerance: ANSI/ASME B1.20.3 Standard NPTF (1) Threads per inch (2) Thread pitch For tools, see pages: MTE D (474) • MTE D(Multi Insert) (475) • MTE D-C (474) • MTE-MM (473) • MTF D (Shell Mill) (475) • MTFLE (476) TP MT LNHT-BSPT External and Internal W1 Thread Milling Inserts for BSPT Full Profile INSL S1 NUT TP Dimensions 27.5˚ 27.5˚ RE=0.137TP 90˚ Taper 1:16 IC908 SCREW Designation TPI(1) INSL W1 S1 TP(2) MT LNHT 1202 19BSPT 19.0 12.00 6.50 2.90 1.337 • MT LNHT 1403 19BSPT 19.0 14.00 7.90 3.20 1.337 • MT LNHT 1403 14BSPT 14.0 14.00 7.90 3.20 1.814 • MT LNHT 2104 14BSPT 14.0 21.00 12.60 4.80 1.814 • MT LNHT 2104 11BSPT 11.0 21.00 12.60 4.80 2.309 • MT LNHT 3005 11BSPT 11.0 30.00 16.70 5.60 2.309 • MT LNHT 4006 11BSPT 11.0 40.00 20.80 6.40 2.309 • • For cutting speed recommendations, see page 497 • Internal tolerance: ISO 7-1, EN 10226 (1&2) Standard BSPT • External tolerance: ISO 7-1, EN 10226 (1&2) Standard BSPT (1) Threads per inch (2) Thread pitch For tools, see pages: MTE D (474) • MTE D(Multi Insert) (475) • MTE D-C (474) • MTE-MM (473) • MTF D (Shell Mill) (475) • MTFLE (476) 486 ISCAR