This is a M5 x 10mm Knurled High Thumb Screws. Screw length is 21.5mm. 10mm threaded. Accurate design. 3 file formats are attached. Details: Fully Threaded: Yes Head Diameter (D): 20mm Head Length (H): 11.5mm Knurled Head Length (K): 4mm Length (L): 10mm Pitch: 0.8mm Shoulder Diameter (d): 10mm Thread Size (T): M5 (5mm)
Custom size and design possible, you have to contact with me. If you want other file formats please contact with me. Knurled-Thumb-Screws
Thanks, Mahbub