These RC4WD miniature hex bolts feature an M1.6 thread with a 6mm length and a black finish, sized for precise scale detail work on RC models and dioramas. The flanged hex head design suits applications where a realistic bolt appearance matters. This set comes with 20 bolts. Features: M1.6 x 6mm thread and length Flanged hex head style Black finish Set of 20 bolts 7/7/26 cs