frog and guard rail fasteners

...frogs, guard rails and the places behind the heel of switch. Hook twin tie plate is a special kind of tie plate, which can fasten the railroad sleepers and steel rails. The only different point from tie plate is that here is not for rail but for frog which consists of two point rails, two guard rails (also be called check rails), two wing rails......

...Guard Rail System Traffic Safety EVA PU Highway Roadway Roller Barriers Roller EVA material with elastic characteristics is used as raw material, which can slow down the lateral impact process of the out-of-control vehicle. Moreover, the rotating barrel can rotate around the column under a certain impact, driving the out-of-control vehicle to return to the correct driving direction. Fasteners......

... head, die casting, CNC & machining. 3. Head: Hexagon, hex flange, hex socket, mush head square neck, guard rail, square, T-head, flat countersunk, cup, etc. Description: Production scope: a) Diameter: M3 - M45 b) Length: 25mm- 2...