
■ OL-RZ is the forming tap enabling dry tapping
| Coating | <1D | under following condition : tapping sizes of smaller | |
| than M6, thin steel sheets having burring operation, | |||
| and steel parts with rather short length. Optimum | |||
| Recommended Tapping Speed depending on Materials | coating suitable to the tapping condition. |
| Low carbon steels | Medium carbon steels | High carbon steels | Alloy steels | Thermal refined steels | Stainless steels | Aluminum alloy castings | |
| 15低炭素鋼30 15中炭素鋼30 15高炭素鋼25 | 15合金鋼25 | 15調質鋼25 | 10ステンレス鋼25 | 15アルミ合金鋳物30 | |||
| (m/min) | (m/min) | ( m/ min) | (m/min) | (m/min) | ( m/ min) | (m/min) |
25〜35HRC TYPE:1 TYPE:2
Segment:1J
| Size | Class | Code | Chamfe | r L | ℓ | ℓn | ℓs | Ds | K | ℓk | Lobe | TYPE |
| (inch) | (inch) | (inch) | (inch) | (inch) | (inch) | (inch) | ||||||
| For Metr | ic Thre | ads | ||||||||||
| M3×0.5 | D5 | 386610M | 4P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| M3.5 × 0.6 | D6 | 386611M | 4P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| M4 × 0.7 | D6 | 386612M | 4P | 2.48 | 0.512 | 0.815 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |
| M5 × 0.8 | D7 | 386614M | 4P | 2.756 | 0.551 | 0.984 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| M6 × 1 | D8 | 386615M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| For Unifi | ied Thre | i ads | ||||||||||
| No.2-56UNC | H3 | 386600M | 4P | 1.772 | 0.314 | - | 1.161 | 0.141 | 0.11 | 0.187 | 4 | 1 |
| No.4-40UNC | H5 | 386601M | 4P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.4-48UNF | H5 | 386602M | 4P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.5-40UNC | H5 | 386603M | 4P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.6-32UNC | H5 | 386604M | 4P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.8-32UNC | H5 | 386605M | 4P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |
| No.10-24UNC | H6 | 386606M | 4P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| No.10-32UNF | H6 | 386607M | 4P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| 1/4-20UNC | H6 | 386608M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| 1/4-28UNF | H6 | 386609M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
Number of oil grooves : non