
E TAPER PIPE THREAD: NPT / ANSI/ASME B 1.20.1-1983 - INTERNAL THREAD PARALLEL PIPE THREAD / BSP (G) - INTERNAL THREAD E
Recommended Tools Recommended Tools Thread Size Thread Size
Pitch TPI Pitch MM Profile Depth Insert Toolholder Pitch TPI Pitch MM Profile Depth Bore Diameter Insert Toolholder
| NPT 1/16 | 27 | 0.941 | 0.69 | 06IR 27NPT | S12H SXFNR 06 | G1/16 | 28 | 0.907 | 0.581 | 6,561 | 06IR 28W | S12H SXFNR 06 |
| NPT 1/8 | 27 | 0.941 | 0.69 | 08IR 27NPT | S16K SXFNR 08 | G1/8 | 28 | 0.907 | 0.581 | 8,556 | 08IR 28W | S16K SXFNR 08 |
| NPT 1/4 | 18 | 1,411 | 1.05 | 08IR 18NPT | S16K SXFNR 08 | G1/4 | 19 | 1,337 | 0.856 | 11,445 | 08IR 19W | S16K SXFNR 08 |
| NPT 3/8 | 18 | 1,411 | 1.05 | 11IR 18NPT | S10K SXFNR 11 | G3/8 | 19 | 1,337 | 0.856 | 14,950 | 11IR 19W | S10K SXFNR 11 |
| NPT 1/2 | 14 | 1,814 | 1.37 | 16IR 14NPT | S13M SXFNR 16 | G1/2 | 14 | 1,814 | 1,162 | 18,631 | 16IR 14W | S13M SXFNR 16 |
| NPT 3/4 | 14 | 1,814 | 1.37 | 16IR 14NPT | S16P SXFNR 16 | G5/8 | 14 | 1,814 | 1,162 | 20,587 | 16IR 14W | S16P SXFNR 16 |
| NPT 1 | 11.5 | 2,209 | 1.68 | 16IR 11.5NPT | S20P SXFNR 16 | G3/4 | 14 | 1,814 | 1,162 | 24,117 | 16IR 14W | S16P SXFNR 16 |
| NPT 1 1/4 | 11.5 | 2,209 | 1.68 | 16IR 11.5NPT | S25R SXFNR 16 | G7/8 | 11 | 1,814 | 1,162 | 27,877 | 16IR 14W | S20P SXFNR 16 |
| NPT 1 1/2 | 11.5 | 2,209 | 1.68 | 16IR 11.5NPT | S32S SXFNR 16 | G1 | 11 | 2,309 | 1,479 | 30,291 | 16IR 11W | S20P SXFNR 16 |
| NPT 2 | 11.5 | 2,209 | 1.68 | 16IR 11.5NPT | S32S SXFNR 16 | G1 1/8 | 11 | 2,309 | 1,479 | 34,939 | 16IR 11W | S25R SXFNR 16 |
| NPT 2 1/2 | 8 | 3,175 | 2.45 | 16IR 8NPT | S40T SXFNR 16 | G1 1/4 | 11 | 2,309 | 1,479 | 38,952 | 16IR 11W | S25R SXFNR 16 |
| NPT 3 | 8 | 3,175 | 2.45 | 16IR 8NPT | S40T SXFNR 16 | G1 1/2 | 11 | 2,309 | 1,479 | 44,845 | 16IR 11W | S32S SXFNR 16 |
| NPT 3 1/2 | 8 | 3,175 | 2.45 | 16IR 8NPT | S40T SXFNR 16 | G1 3/4 | 11 | 2,309 | 1,479 | 50,788 | 16IR 11W | S32S SXFNR 16 |
| NPT 4 | 8 | 3,175 | 2.45 | 16IR 8NPT | S40T SXFNR 16 | G2 | 11 | 2,309 | 1,479 | 56,656 | 16IR 11W | S32S SXFNR 16 |
| NPT 5 | 8 | 3,175 | 2.45 | 16IR 8NPT | S40T SXFNR 16 |
Recommended Tools Recommended Tools Thread Size Thread Size
Pitch TPI Pitch MM Profile Depth Insert Toolholder Pitch TPI Pitch MM Profile Depth Bore Diameter Insert Toolholder
| NPTF 1/16 | 27 | 0.941 | 0.64 | 06IR 27NPTF | S12H SXFNR 06 | Rc 1/16 | 28 | 0.907 | 0.581 | 6,561 | 06IR 28BSPT | S12H SXFNR 06 |
| NPTF 1/8 | 27 | 0.941 | 0.64 | 08IR 27NPTF | S16K SXFNR 08 | Rc 1/8 | 28 | 0.907 | 0.581 | 8,556 | 08IR 28BSPT | S16K SXFNR 08 |
| NPTF 1/4 | 18 | 1,411 | 1.00 | 08IR 18NPTF | S16K SXFNR 08 | Rc 1/4 | 19 | 1,337 | 0.856 | 11,445 | 08IR 19BSPT | S16K SXFNR 08 |
| NPTF 3/8 | 18 | 1,411 | 1.00 | 11IR 18NPTF | S10K SXFNR 11 | Rc 3/8 | 19 | 1,337 | 0.856 | 14,950 | 11IR 19BSPT | S10K SXFNR 11 |
| NPTF 1/2 | 14 | 1,814 | 1.35 | 16IR 14NPTF | S13M SXFNR 16 | Rc 1/2 | 14 | 1,814 | 1,162 | 18,631 | 16IR 14BSPT | S13M SXFNR 16 |
| NPTF 3/4 | 14 | 1,814 | 1.35 | 16IR 14NPTF | S16P SXFNR 16 | Rc 5/8 | 14 | 1,814 | 1,162 | 20,587 | 16IR 14BSPT | S16P SXFNR 16 |
| NPTF 1 | 11.5 | 2,209 | 1.64 | 16IR 11.5NPTF | S20P SXFNR 16 | Rc 3/4 | 14 | 1,814 | 1,162 | 24,117 | 16IR 14BSPT | S16P SXFNR 16 |
| NPTF 1 1/4 | 11.5 | 2,209 | 1.64 | 16IR 11.5NPTF | S25R SXFNR 16 | Rc 7/8 | 14 | 1,814 | 1,162 | 27,877 | 16IR 14BSPT | S20P SXFNR 16 |
| NPTF 1 1/2 | 11.5 | 2,209 | 1.64 | 16IR 11.5NPTF | S32S SXFNR 16 | Rc 1 | 11 | 2,309 | 1,479 | 30,291 | 16IR 11BSPT | S20P SXFNR 16 |
| NPTF 2 | 11.5 | 2,209 | 1.64 | 16IR 11.5NPTF | S32S SXFNR 16 | Rc 1 1/8 | 11 | 2,309 | 1,479 | 34,939 | 16IR 11BSPT | S25R SXFNR 16 |
| NPTF 2 1/2 | 8 | 3,175 | 2.39 | 16IR 08NPTF | S40T SXFNR 16 | Rc 1 1/4 | 11 | 2,309 | 1,479 | 38,952 | 16IR 11BSPT | S25R SXFNR 16 |
| NPTF 3 | 8 | 3,175 | 2.39 | 16IR 08NPTF | S40T SXFNR 16 | Rc 1 1/2 | 11 | 2,309 | 1,479 | 44,845 | 16IR 11BSPT | S32S SXFNR 16 |
| Rc 1 3/4 | 11 | 2,309 | 1,479 | 50,788 | 16IR 11BSPT | S32S SXFNR 16 | ||||||
| Rc 2 | 11 | 2,309 | 1,479 | 56,656 | 16IR 11BSPT | S32S SXFNR 16 |