
ANSI N-RZ Roll Taps for Steels
| Size | Class | Code | Chamf | er L (inch) | ℓ (inch) | ℓn (inch) | ℓs (inch) | Ds (inch) | K (inch) | ℓk (inch) | Lobe | TYPE |
| M10 × 1.5 | D10 | 389531M | 4P | 3.937 | 0.906 | 1.535 | 2.126 | 0.381 | 0.286 | 0.437 | 8 | 3 |
| M10 × 1.5 | D10 | 389530M | 2P | 3.937 | 0.906 | 1.535 | 2.126 | 0.381 | 0.286 | 0.437 | 8 | 3 |
| M10 × 1.25 | D9 | 389529M | 4P | 3.937 | 0.906 | 1.535 | 2.126 | 0.381 | 0.286 | 0.437 | 8 | 3 |
| M10 × 1.25 | D9 | 389528M | 2P | 3.937 | 0.906 | 1.535 | 2.126 | 0.381 | 0.286 | 0.437 | 8 | 3 |
| M12 × 1.75 | D11 | 389535M | 4P | 4.331 | 1.024 | - | 2.205 | 0.367 | 0.275 | 0.437 | 8 | 4 |
| M12 × 1.75 | D11 | 389534M | 2P | 4.331 | 1.024 | - | 2.205 | 0.367 | 0.275 | 0.437 | 8 | 4 |
| M12 × 1.25 | D9 | 389533M | 4P | 4.331 | 1.024 | - | 2.205 | 0.367 | 0.275 | 0.437 | 8 | 4 |
| M12 × 1.25 | D9 | 389532M | 2P | 4.331 i | 1.024 i | - i | 2.205 | 0.367 | 0.275 | 0.437 | 8 | 4 |
| For Unifi | ied Thre | i ads | ||||||||||
| No.0-80UNF | H2 | 389410M | 2P | 1.772 | 0.236 | - | 1.161 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.1-64UNC | H2 | 389411M | 2P | 1.772 | 0.276 | - | 1.161 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.1-72UNF | H2 | 389412M | 2P | 1.772 | 0.276 | - | 1.161 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.2-56UNC | H2 | 389413M | 2P | 1.772 | 0.314 | - | 1.161 | 0.141 | 0.11 | 0.187 | 4 | 1 |
| No.2-56UNC | H3 | 389414M | 2P | 1.772 | 0.314 | - | 1.161 | 0.141 | 0.11 | 0.187 | 4 | 1 |
| No.2-64UNF | H2 | 389415M | 2P | 1.772 | 0.314 | - | 1.161 | 0.141 | 0.11 | 0.187 | 4 | 1 |
| No.2-64UNF | H3 | 389416M | 2P | 1.772 | 0.314 | - | 1.161 | 0.141 | 0.11 | 0.187 | 4 | 1 |
| No.3-48UNC | H2 | 389417M | 2P | 2.205 | 0.354 | 0.681 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.3-48UNC | H3 | 389418M | 2P | 2.205 | 0.354 | 0.681 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.3-56UNF | H2 | 389419M | 2P | 2.205 | 0.354 | 0.681 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.3-56UNF | H3 | 389420M | 2P | 2.205 | 0.354 | 0.681 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.4-40UNC | H3 | 389423M | 4P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.4-40UNC | H3 | 389421M | 2P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.4-40UNC | H5 | 389424M | 4P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.4-40UNC | H5 | 389422M | 2P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.4-48UNF | H3 | 389427M | 4P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.4-48UNF | H3 | 389425M | 2P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.4-48UNF | H5 | 389428M | 4P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.4-48UNF | H5 | 389426M | 2P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.5-40UNC | H3 | 389431M | 4P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.5-40UNC | H3 | 389429M | 2P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.5-40UNC | H5 | 389432M | 4P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.5-40UNC | H5 | 389430M | 2P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.5-44UNF | H3 | 389435M | 4P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.5-44UNF | H3 | 389433M | 2P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.5-44UNF | H5 | 389436M | 4P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.5-44UNF | H5 | 389434M | 2P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.6-32UNC | H3 | 389440M | 4P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.6-32UNC | H3 | 389437M | 2P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.6-32UNC | H5 | 389441M | 4P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.6-32UNC | H5 | 389438M | 2P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.6-40UNF | H3 | 389444M | 4P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.6-40UNF | H3 | 389442M | 2P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.6-40UNF | H5 | 389445M | 4P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.6-40UNF | H5 | 389443M | 2P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 4 | 2 |
| No.8-32UNC | H3 | 389448M | 4P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |
| No.8-32UNC | H3 | 389446M | 2P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |
| No.8-32UNC | H5 | 389449M | 4P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |
| No.8-32UNC | H5 | 389447M | 2P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |
| No.8-36UNF | H3 | 389452M | 4P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |
| No.8-36UNF | H3 | 389450M | 2P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |