Hardened and ground throughout. Used to convert spindles to smaller tapers and to extend the spindles of drill presses, radial drills, boring mills, turret lathes and similar machines.
| Manufacturer Part Number | 420330 |
| Type | Reducing Sleeve |
| Inside Morse Taper Size | MT3 |
| Outside Morse Taper Size | MT4 |
| Hardness | Hardened & Ground |
| Overall Length (Inch) | 5-1/2" |
| Product Type | Morse Taper Sleeve |