This is aM5 x 40mm Socket Button Bolt and nut. Bolt length is 40mm(without Head). All the way thread. Accurate design. 3 file formats are attached. Details: Hexagon Width Across Flats (J): 3mm Length (L): 40mm Maximum Head Diameter (D): 9.5mm Maximum Head Length (H): 2.75mm Minimum Hexagon Socket Depth (P): 1.56mm Screw Thread Pitch: 0.8mm Thread Size: M5 (5mm)
Custom size and design possible, you have to contact with me. If you want other file formats please contact with me,
Thanks, Mahbub