A sample from the products for the Cam Chain/tensioner include: Pin,dowel,8x12, Pivot, Tensioner, Spdl,chain Sprkt, Pin,cam Chain Gui.
Of all the components that make up this Cam Chain/tensioner the Bolt Flange 6x18 has the lowest price.
In this schematic the "Bolt Knock 5mm" is used most often.