Screw size G1/4 - Diaphragm compressors Fengda AS-06, AS-09 + airbrush gun spraygun.
Screw size G1/8 - Reciprocating compressors Fengda AS-16, AS-16-1, AS-18 (B), AS-19 (B), AS-176, AS-186 (A), AS-189 (A), AS-196 (A) + all double-action Fengda airbrush pistols.
Screw size M5 - Single-airbrush pistols Fengda BD-138, BD-128.