This is the screw to secure the butterfly valve on a Weber DCNF carburetor.
Thread: M4 x 0.7mm
Thread length: 7.6mm
This screw has a "cilinder head" meaning a "flat underside of the head", suitable for "non-counter-drilled" throttle shafts.
This product is priced, and sold, as a single unit.
Required quantity per carburettor: 4
This is item number 38 in the drawing of the Weber DCNF carburetor.
This is Weber Part Number: S57392022