
■ Suitable tapping in thermal refined steels Coating (~35HRC).
| Medium carbon steels | High carbon steels | Alloy steels | Thermal refined steels |
| 10中炭素鋼30 10高炭素鋼30 10合金鋼30 10調質鋼20 | |||
| (m/min) | (m/min) | ( m/ min) | (m/min) |
25〜35HRC TYPE:1
Segment:1J
| Size | Class | Code | Chamfer | L ih | ℓ ih | ℓn ih | ℓs ih | Ds ih | K ih | ℓk ih | Lobe | TYPE |
| (nc) | (nc) | (nc) | (nc) | (nc) | (nc) | (nc) | ||||||
| Fo i | r Unifie | id Threa | i ds | |||||||||
| No.10-24UNC | H6 | 5110103039 | 4P | 2.756 | 0.354 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 5 | 1 |
| No.10-24UNC | H6 | 5111103039 | 2P | 2.756 | 0.354 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 5 | 1 |
| No.10-32UNF | H6 | 5110103041 | 4P | 2.756 | 0.354 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 5 | 1 |
| No.10-32UNF | H6 | 5111103041 | 2P | 2.756 | 0.354 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 5 | 1 |
| 1/4-20UNC | H7 | 5110103058 | 4P | 3.15 | 0.433 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 5 | 1 |
| 1/4-20UNC | H7 | 5111103058 | 2P | 3.15 | 0.433 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 5 | 1 |
| 1/4-28UNF | H6 | 5110103062 | 4P | 3.15 | 0.433 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 5 | 1 |
| 1/4-28UNF | H6 | 5111103062 | 2P | 3.15 | 0.433 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 5 | 1 |
| 5/16-18UNC | H8 | 5110103071 | 4P | 3.543 | 0.472 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 2 |
| 5/16-18UNC | H8 | 5111103071 | 2P | 3.543 | 0.472 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 2 |
| 5/16-24UNF | H7 | 5110103074 | 4P | 3.543 | 0.472 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 2 |
| 5/16-24UNF | H7 | 5111103074 | 2P | 3.543 | 0.472 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 2 |
| 3/8-16UNC | H8 | 5110103082 | 4P | 3.937 | 0.512 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 8 | 2 |
| 3/8-16UNC | H8 | 5111103082 | 2P | 3.937 | 0.512 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 8 | 2 |
| 3/8-24UNF | H7 | 5110103085 | 4P | 3.937 | 0.512 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 8 | 2 |
| 3/8-24UNF | H7 | 5111103085 | 2P | 3.937 | 0.512 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 8 | 2 |
| 7/16-14UNC | H9 | 5110103098 | 4P | 3.937 | 0.512 | - | 2.008 | 0.323 | 0.242 | 0.406 | 8 | 3 |