This is a M4 x 10mm Wing Screws. Screw length is 28.6mm. 20mm threaded. Accurate design. 3 file formats are attached. Details:
Max Head Diameter (D): 8mm Nut Length (T): 2.9mm Pitch: 0.7mm Thread Length (E): 20mm Thread Size: M4 (4mm) Wing Length (L): 8.6mm Wing Width (W): 17.6mm
Custom size and design possible, you have to contact with me. If you want other file formats please contact with me.
Thanks, Mahbub