
■ ZEN-B is the spiral fluted tap for nickel base alloys which, with nickel as main composition, have much higher corrosion resistance and much higher heat resistance than Oxide steels.
| ow carbon steels | Medium carbon steels | Stainless steels | ickel base alloys | 1 | |
| TYPE: | |||||
| 5〜15 | 5〜15 | 5〜15 | 5〜10 |
(m/min) For icon explanation, refer to P.50
Segment:1D
| Size | Class | Code | Chamfer | L (mm) | ℓt (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. of flutes | Type | Stock |
| For Metric Threads | ||||||||||||||
| M3×0.5 | P2 | ZENBMQ3.0G | 3P | 46 | 5 | 9 | 14 | 26 | 4 | 3.2 | 6 | 3 | 1 | ○ |
| M4×0.7 | P3 | ZENBMR4.0I | 3P | 52 | 7 | 11 | 17 | 29 | 5 | 4 | 7 | 3 | 1 | ○ |
| M5×0.8 | P3 | ZENBMR5.0K | 3P | 60 | 9 | 13 | 22 | 33 | 5.5 | 4.5 | 7 | 3 | 1 | ○ |
| M6×1 | P3 | ZENBMR6.0M | 3P | 62 | 11 | 15 | 26 | 33 | 6 | 4.5 | 7 | 3 | 1 | ○ |
| M8×1.25 | P3 | ZENBMR8.0N | 3P | 70 | - | 12 | - | 36 | 6.2 | 5 | 8 | 3 | 2 | ○ |
| M10×1.5 | P3 | ZENBMR010O | 3P | 75 | - | 13 | - | 38 | 7 | 5.5 | 8 | 3 | 2 | ○ |
| M10×1.25 | P3 | ZENBMR010N | 3P | 75 | - | 13 | - | 38 | 7 | 5.5 | 8 | 3 | 2 | ○ |
| M12×1.75 | P3 | ZENBMR012P | 3P | 82 | - | 15 | - | 42 | 8.5 | 6.5 | 9 | 3 | 2 | ○ |
| M12×1.5 | P3 | ZENBMR012O | 3P | 82 | - | 15 | - | 42 | 8.5 | 6.5 | 9 | 3 | 2 | △ |
| M12×1.25 | P3 | ZENBMR012N | 3P | 82 | - | 15 | - | 42 | 8.5 | 6.5 | 9 | 3 | 2 | △ |
| M14×2 | P3 | ZENBMR014Q | 3P | 88 | - | 18 | - | 45 | 10.5 | 8 | 11 | 3 | 2 | △ |
| M14×1.5 | P3 | ZENBMR014O | 3P | 88 | - | 14 | - | 45 | 10.5 | 8 | 11 | 3 | 2 | △ |
| M16×2 | P3 | ZENBMR016Q | 3P | 95 | - | 18 | - | 48 | 12.5 | 10 | 13 | 3 | 2 | △ |
| M16×1.5 | P3 | ZENBMR016O | 3P | 95 | - | 14 | - | 48 | 12.5 | 10 | 13 | 3 | 2 | △ |
| M18×2.5 | P4 | ZENBMS018R | 3P | 100 | - | 20 | - | 51 | 14 | 11 | 14 | 4 | 2 | △ |
| M18×1.5 | P3 | ZENBMR018O | 3P | 100 | - | 14 | - | 51 | 14 | 11 | 14 | 4 | 2 | △ |
| M20×2.5 | P4 | ZENBMS020R | 3P | 105 | - | 20 | - | 50 | 15 | 12 | 15 | 4 | 3 | △ |
| M20×1.5 | P4 | ZENBMS020O | 3P | 105 | - | 14 | - | 50 | 15 | 12 | 15 | 4 | 3 | △ |