
■ More suitable than SP for blind hole tapping of middle E carbon steels in middle speed tapping area. ~M2.6
Medium carbon steels
For icon explanation, refer to P.50
| Segment:1C | Ov | ersize | |||||||||||
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. of flutes | Type | Stock |
| For Metric Threads | |||||||||||||
| P1 | SNPP2.0E | ◎ | |||||||||||
| M2×0.4 | P2 P3 | SNPQ2.0E SNPR2.0E | 2.5P | 42 | 7.2 | 12 | 27 | 3 | 2.5 | 5 | 2 | 1 | ○ ◎ |
| P4 | SNPS2.0E | △ | |||||||||||
| M2.2×0.45 | P1 P3 | SNPP2.2F SNPR2.2F | 2.5P | 42 | 8.1 | 12 | 27 | 3 | 2.5 | 5 | 2 | 1 | ○ △ |
| P1 | SNPP2.3E | ○ | |||||||||||
| M2.3×0.4 | P2 P3 | SNPQ2.3E SNPR2.3E | 2.5P | 42 | 7.2 | 12 | 27 | 3 | 2.5 | 5 | 2 | 1 | △ |
| P4 | SNPS2.3E | ||||||||||||
| P1 | SNPP2.5F | ◎ | |||||||||||
| M2.5×0.45 | P2 P3 P4 | SNPQ2.5F SNPR2.5F SNPS2.5F | 2.5P | 46 | 8.1 | 14 | 29 | 3 | 2.5 | 5 | 2 | 1 | ○ |
| P1 | SNPP2.6F | ◎ | |||||||||||
| M2.6×0.45 | P2 P3 | SNPQ2.6F SNPR2.6F | 2.5P | 46 | 8.1 | 14 | 29 | 3 | 2.5 | 5 | 2 | 1 | ○ |
| P4 | SNPS2.6F | △ | |||||||||||
| P1 | SNPP3.0G | ◎ | |||||||||||
| M3×0.5 | P2 P3 | SNPQ3.0G SNPR3.0G | 2.5P | 46 | 9 | 14 | 26 | 4 | 3.2 | 6 | 3 | 1 | ○ |
| P4 | SNPS3.0G | ||||||||||||
| P1 | SNPP3.5H | ○ | |||||||||||
| M3.5×0.6 | P2 P3 | SNPQ3.5H SNPR3.5H | 2.5P | 52 | 11 | 16 | 29 | 5 | 4 | 7 | 3 | 1 | △ |
| P4 | SNPS3.5H | ||||||||||||
| M4×0.7 | P2 | SNPQ4.0I | 2.5P | 52 | 11 | 17 | 29 | 5 | 4 | 7 | 3 | 1 | ◎ |