
THREAD MILLING TOOLS TP MT LNHU MT LNHT MT LNH#-W External & Internal Whitworth (BSW, BSF, BSP) Full Profile W1 Thread Milling Inserts for Fittings and Pipe Couplings INSL S1 TP NUT Dimensions 55˚ RE=0.137TP SCREW IC908 Designation TPI(1) INSL W1 S1 TP(2) MT LNHT 1202 19W 19.0 12.00 6.50 2.90 1.337 • MT LNHU 1403 24W 24.0 14.00 7.90 3.20 1.058 • MT LNHU 1403 20W 20.0 14.00 7.90 3.20 1.270 • MT LNHU 1403 19W 19.0 14.00 7.90 3.20 1.337 • MT LNHU 1403 16W 16.0 14.00 7.90 3.20 1.588 • MT LNHU 1403 14W 14.0 14.00 7.90 3.20 1.814 • MT LNHU 2104 20W 20.0 21.00 12.60 4.80 1.270 • MT LNHU 2104 19W 19.0 21.00 12.60 4.80 1.337 • MT LNHU 2104 16W 16.0 21.00 12.60 4.80 1.588 • MT LNHU 2104 14W 14.0 21.00 12.60 4.80 1.814 • MT LNHU 2104 11W 11.0 21.00 12.60 4.80 2.309 • MT LNHU 3005 16W 16.0 30.00 16.70 5.60 1.588 • MT LNHU 3005 14W 14.0 30.00 16.70 5.60 1.814 • MT LNHU 3005 11W 11.0 30.00 16.70 5.60 2.309 • MT LNHU 4006 11W 11.0 40.00 20.80 6.40 2.309 • MT LNHU 4006 8W 8.0 40.00 20.80 6.40 3.175 • • For cutting speed recommendations, see page 497 • Internal tolerance: ISO 228-1 Medium class • External tolerance: ISO 228-1 Medium class (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-NPT External and Internal NPT 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 18NPT 18.0 12.00 6.50 2.90 1.411 • MT LNHT 1403 18NPT 18.0 14.00 7.90 3.20 1.411 • MT LNHT 1403 14NPT 14.0 14.00 7.90 3.20 1.814 • MT LNHT 2104 14NPT 14.0 21.00 12.60 4.80 1.814 • MT LNHT 2104 11.5NPT 11.5 21.00 12.60 4.80 2.209 • MT LNHT 3005 11.5NPT 11.5 30.00 16.70 5.60 2.209 • MT LNHT 3005 8NPT 8.0 30.00 16.70 5.60 3.175 • MT LNHT 4006 11.5NPT 11.5 40.00 20.80 6.40 2.209 • MT LNHT 4006 8NPT 8.0 40.00 20.80 6.40 3.175 • • For cutting speed recommendations, see page 497 • Internal tolerance: ANSI/ASME B1.20.1 Standard NPT • External tolerance: ANSI/ASME B1.20.1 Standard NPT (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) 485