
■ N+RZ/N-RZ is the forming tap suitable for steel materials E such as carbon steels, alloy steels, and stainless steels. Oxide
| ~M2.6 | N+RZ | ~M6 | ||
| Recommended Tapping Speeds depending on Materials | N-RZ | M8~ | ||
| Free cutting and | Carbon steel and | |||
| structural steel | low alloy steel | TYPE:1 | DIN371 |
IS P IS P 5〜15 5〜15 (m/min) (m/min) For icon explanation, refer to P.50
TYPE:2 DIN371 TYPE:3 DIN376
Segment:1J
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | Lobe | Type | Stock |
| For Metric Threads | |||||||||||||
| M3×0.5 | ISO2X | RE3.0GBHEXB | 2P | 56 | 9 | 18 | 34 | 3.5 | 2.7 | 6 | 4 | 1 | ● |
| M3.5×0.6 | ISO2X | RE3.5HBHEXB | 2P | 56 | 11 | 20 | 32 | 4 | 3 | 6 | 4 | 1 | |
| M4×0.7 | ISO2X | RE4.0IBHEXB | 2P | 63 | 13 | 21 | 38 | 4.5 | 3.4 | 6 | 4 | 1 | ● |
| M5×0.8 | ISO2X | RE5.0KBHEXB | 2P | 70 | 14 | 25 | 39 | 6 | 4.9 | 8 | 4 | 1 | ● |
| M6×1 | ISO2X | RE6.0MBHEXB | 2P | 80 | 15 | 30 | 45 | 6 | 4.9 | 8 | 4 | 1 | ● |
| M8×1.25 | ISO2X | RD8.0NBHEXB | 2P | 90 | 19 | 35 | 47 | 8 | 6.2 | 9 | 6 | 2 | ● |
| M10×1.5 | ISO2X | RD010OBHEXB | 2P | 100 | 23 | 39 | 52 | 10 | 8 | 11 | 8 | 2 | ● |
| M12×1.75 | ISO2X | RG012PBHEXB | 2P | 110 | 26 | - | 56 | 9 | 7 | 10 | 8 | 3 | |
| M16×2 | ISO2X | RG016QBHEXB | 2P | 110 | 26 | - | 56 | 12 | 9 | 12 | 8 | 3 |
Number of oil grooves : M3~M6 = 4, M8 = 3, M10 and larger = 4 Taps for M6 and smaller : External centers on thread end are removed.