Graco LTX621 RAC X SwitchTip, a reversible (clog-clearing) airless spray tip, part number LTX621, with a tungsten carbide orifice of 0.021 in. (0.53 mm) and a 12 in. (305 mm) spray fan width. Rated to a maximum working pressure of 4050 psi (280 bar). The Graco tip number 621 encodes the size: the first digit (6) doubled gives the 12 in. fan width and the last two digits (21) give the 0.021 in. orifice. For use with the RAC X HandTite Tip Guard.
| Brand | Graco |
| Range | RAC X SwitchTip (LTX SwitchTip series) — reversible airless spray tip |
| Part number | LTX621 |
| Tip number meaning | first digit 6 x 2 = 12 in. fan width; last two digits 21 = 0.021 in. orifice |
| Orifice diameter | 0.021 in. (0.53 mm) |
| Spray fan width | 12 in. (305 mm) |
| Pattern size | 12 to 14 in |
| Maximum working pressure | 4050 psi (280 bar, 28.0 MPa) |
| Orifice material | tungsten carbide |
| Tip type | airless |
| Compatible coatings (per the Graco product page) | Latex Paint, Latex Stain, Oil-Based Paint, Oil-Based Stain |
| For use with | RAC X HandTite Tip Guard |
| Material | Tungsten carbide (orifice) |
| Pressure rating | 4050 psi (280 bar) |
| MOQ | 1 |
RAC X SwitchTip, LTX series — fits Graco RAC X HandTite tip guards and the airless guns/sprayers that accept the RAC X guard. The reversible design lets the tip be rotated to clear a clog without removing it. Tip size is selected by coating viscosity and required fan width; confirm the gun/guard accepts the RAC X guard before ordering.