ThunderTap® #4-40 Straight Flute, High Speed Steel, Plug Taps are suitable for either through or blind holes, where ample clearance remains between the thread the the bottom of the hole
| Type | Tap |
| Style | Plug |
| Size | #4-40 |
| Material | High Speed Steel |
| Number of Flutes | 3 |
| Finish | Bronze Oxide |
| Drill Size | 43 |
| Camfer | 3-5 Threads |
