The Makeblock U Bracket B is usually used as the structural support or connection point for shafts, timing pulley 18T, timing pulley 62T, timing pulley 90T and so on. It has seven 8mm center holes that can be attached with 8mm shaft or bearings.
Makeblock plastic timing pulley 62T is made of plastic, which has a lighter weight. It is used as a car's wheel in DIY designs. Moreover, 12 M4 holes in it also allow to be used as the plate in Makeblock platform.
Threaded Shaft 4x39mm is an alternative fastener for your maker project. With a threaded end and a smooth end, this shaft works as an ideal tension component. This item is sold in a package of four. Each part is 39 mm in length and is accompanied by a washer.
Makeblock slide unit bushing with copper sleeve is frequently used as the slider platform in motion can connect the shaft 8mm in 3D printer or support some parts such as stepper motors or brackets.
8 M4 holes on two sides of this slide unit are compatible with all Makeblock motion and structure components.
Makeblock Button Head Socket Cap Screw is a new kind of Socket Cap Screw, it has smaller head that can solve most problem of interfere with other components. The tool of this Button Head Socket Cap Screw is HEX Screwdriver 2.5mm.
This module is a shield of Arduino UNO. It can turn Arduino pins into Makeblock RJ25 ports. You can connect Arduino UNO with Makeblock electronic modules. This shield provides a stable power, so it can drive many servos and motors.