SOLEX CARBURETORS’ BUTTERFLY SECURING SCREWS.
NEW & NEVER USED.
diameter is 4mm.standard metric thread.
zinc plated iron.
overall length 9.0mm.
these screws are well suited for the completely round shafts at the butterflies securing area.
for the shafts that are the milled flat type at the butterflies area the shorter screws are more suitable.
Will fit perfectly on the zenith 40 TIN carburetors as well.