Of all the components that make up this Front Master Cylinder (model W/x/y/k1) the Screw has the lowest price.
A sample from the products for the Front Master Cylinder (model W/x/y/k1) include: Clamp,fr Brake Hose, Hose,fr Brake, Cap(od:10), Cylinder Assy,fr Master.
In this schematic the "Washer(10x15x1.5)" is used most often.