20 x wheel bolts nuts. M12 x 1.5 Radius Seat 26mm Thread Length 17mm Hex
• Thread size: M12 x 1.5. What is M12 x 1.25?. • Thread length: 26mm. • Spanner size: 17mm Hex. The Hex refers to the size of the nut/bolt head and therefore the corresponding size of the socket used with the wheel brace.