
■Spiral flutes continuously curl the chips and discharge them back toward the shank of the tap.Spiralflutetapsarethemostsuitable for blindholeprocessing.
Medium carbon steels High carbon steels
(m/min) (m/min)
Segment:1C
| Size | Class | Code | Chamfer | L (inch) | ℓ (inch) | ℓn (inch) | ℓs (inch) | Ds (inch) | K (inch) | ℓk (inch) | No.�of flutes | TYPE |
| �� | For�Metr� | �ic�Threa | ��ds | |||||||||
| M2×0.4 | D3 | SS2.0E3NEB | 2.5P | 1.772 | 0.314 | - | 1.161 | 0.141 | 0.11 | 0.187 | 2 | 1 |
| M2.2×0.45 | D3 | SS2.2F3NEB | 2.5P | 1.772 | 0.314 | - | 1.161 | 0.141 | 0.11 | 0.187 | 2 | 1 |
| M2.5×0.45 | D3 | SS2.5F3NEB | 2.5P | 2.205 | 0.354 | 0.693 | 1.28 | 0.141 | 0.11 | 0.187 | 2 | 2 |
| M2.6×0.45 | D3 | SS2.6F3NEB | 2.5P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 2 | 2 |
| M3×0.5 | D3 | SS3.0G3NEB | 2.5P | 2.205 | 0.433 | 0.736 | 1.339 | 0.141 | 0.11 | 0.187 | 3 | 2 |
| M3.5×0.6 | D4 | SS3.5H4NEB | 2.5P | 2.205 | 0.433 | 0.748 | 1.339 | 0.141 | 0.11 | 0.187 | 3 | 2 |