
■ The SP-NPT is a long shank spiral flute tap for the American tapered pipe threads where it is necessary to shorten the fitting length and is used for products whose main purpose is the Recommended Tapping Speeds depending on Materials tightness of threaded parts in connection with pipe parts etc.
Low carbon steels Medium carbon steels High carbon steels
| 低炭素鋼5 | 中炭素鋼5 | 高炭素鋼5 |
| (m/min) | (m/min) | ( m/ min) |
TYPE:1
g
Segment:1G
| Size | Class | Code | Chamfer | Basic major dia (mm) | L (mm) | ℓ (mm) | ℓg (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. of flutes | TYPE | MSRP |
| For A | merica | nPipeT | hreads | ||||||||||
| 1/8-27 NPT | ANSI G | SSNPT02LL10 | 2.5P | 10.117 | 100 | 16.5 | 10.5 | 8 | 6 | 9 | 3 | 1 | ¥ 11,000 ※ |
| 1/4-18 NPT | ANSI G | SSNPT04OL15 | 2.5P | 13.426 | 150 | 19.5 | 12.5 | 11 | 9 | 12 | 3 | 1 | ¥ 20,900 ※ |
| 3/8-18 NPT | ANSI G | SSNPT06OL15 | 2.5P | 16.866 | 150 | 21 | 14 | 14 | 11 | 14 | 3 | 1 | ¥ 34,500 ※ |
| 1/2-14 NPT | ANSI G | SSNPT08QL15 | 2.5P | 20.980 | 150 | 27 | 17 | 18 | 14 | 17 | 4 | 1 | ¥ 41,600 ※ |
| 3/4-14 NPT | ANSI G | SSNPT12QL15 | 2.5P | 26.325 | 150 | 29 | 19 | 23 | 17 | 20 | 4 | 1 | ¥ 65,200 ※ |