
■ OL-RZ is the forming tap enabling dry tapping under Coating following condition : tapping sizes of smaller than M6, thin steel sheets having burring operation, and steel parts with rather short length. Optimum coating suitable to the Recommended Tapping Speed depending on Materials tapping condition.
| ow carbon steels | Medium carbon steels | High carbon steels | Alloy steels | Stainless steels |
| 15〜30 15〜30 | 15〜25 | 15〜25 | 10〜25 |
For icon explanation, refer to P.50
Segment:1J
| Size | Class | Code | Chamfer | L | ℓ | ℓn | ℓs | Ds | K | ℓk | Lobe | Type |
| (inch) | (inch) | (inch) | (inch) | (inch) | (inch) | (inch) |
For Metric threads
D5 RS3.0G5HPTP 4P 2.205 0.433 0.768 1.358 0.141 0.11 0.187 4 2
M3.5 0.6 D6 RS3.5H6HPTP 4P 2.205 0.433 0.787 1.358 0.141 0.11 0.187 4 2
D6 RS4.0I6HPTP 4P 2.48 0.512 0.827 1.535 0.168 0.131 0.25 4 2
D7 RS5.0K7HPTP 4P 3.15 0.591 0.984 1.929 0.22 0.165 0.281 4 2
D8 RS6.0M8HPTP 4P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 4 2
For Unified Threads
| No.2-56UNC | H3 | RSUN2E3HPTP | 4P | 1.772 | 0.314 | - | 1.161 | 0.141 | 0.11 | 0.187 | 4 | 1 |
| No.4-40UNC | H5 | RSUN4H5HPTP | 4P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.4-48UNF | H5 | RSUN4F5HPTP | 4P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.5-40UNC | H5 | RSUN5H5HPTP | 4P | 2.205 | 0.433 | 0.768 | 1.358 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.6-32UNC | H5 | RSUN6J5HPTP | 4P | 2.205 | 0.433 | 0.787 | 1.358 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.8-32UNC | H5 | RSUN8J5HPTP | 4P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |
| No.10-24UNC | H6 | RSUNAM6HPTP | 4P | 2.756 | 0.551 | 0.984 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| No.10-32UNF | H6 | RSUNAJ6HPTP | 4P | 2.756 | 0.551 | 0.984 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| 1/4-20UNC | H6 | RSU04N6HPTP | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| 1/4-28UNF | H6 | RSU04K6HPTP | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |