Graco 163318 Fine Finish Flat Tip, a non-reversible airless spray tip, part number 163318, with a 0.018 in. (0.46 mm) orifice and a 6 in. (152.4 mm) spray fan width (pattern size 6 to 8 in.). Maximum working pressure 3000 psi (207 bar), maximum flow rate 0.35 gpm (1.32 L/min). The flat tip number 318 encodes the size: the first digit (3) doubled gives the 6 in. fan width and the last two digits (18) give the 0.018 in. orifice. Suited to lacquer, varnish, urethane, fine finish material. For use with Silver Plus Airless Spray Gun.
| Brand | Graco |
| Range | Fine Finish Flat Tip — non-reversible airless spray tip |
| Part number | 163318 |
| Tip number meaning | first digit 3 x 2 = 6 in. fan width; last two digits 18 = 0.018 in. orifice |
| Orifice diameter | 0.018 in. (0.46 mm) |
| Spray fan width | 6 in. (152.4 mm) |
| Pattern size | 6 to 8 in. |
| Maximum flow rate | 0.35 gpm (1.32 L/min) |
| Maximum working pressure | 3000 psi (207 bar) |
| Spray pattern | Fan |
| Compatible material | Lacquer, Varnish, Urethane, Fine Finish Material |
| Tip type | airless (flat, non-reversible) |
| For use with | Silver Plus Airless Spray Gun |
| Pressure rating | 3000 psi (207 bar) |
| MOQ | 1 |
Fine Finish Flat Tip — a fixed (non-reversible) flat airless tip for fine-finish coatings that fits the Graco flat-tip guard on Silver Plus Airless Spray Gun. Tip size is selected by material and required fan width; the first code digit sets the fan width and the last two set the orifice. Confirm the gun and tip guard accept a Graco flat tip before ordering.