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): 8mmNut Length (T): 2.9mmPitch: 0.7mmThread Length (E): 20mmThread Size: M4 (4mm)Wing Length (L): 8.6mmWing 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