Makeblock Threaded Shaft 4x22mm Pair
What is Threaded Shaft 4*22mm(Pair)?
This threaded shaft can be used as the revolving shaft of rotational joint in linkage mechanism. It is made of stainless steel ? SUS304 and consists of a M4 thread shaft (at one end), a shaft shoulder (in the middle), and a linear shaft (at the other end). You can fix the shaft on a beam, bracket or plate by twisting a screw on. Also, the linear shaft can match with a 4mm shaft sleeve.