The Screw,tapping,4x16 is the lowest priced item on this Front Door Lining schematic.
A sample from the products for the Front Door Lining include: Lining Co*nh167l*, Pull Pock*nh167l*, Clip Door Lng, Lining Co*2tn122*.
Of all the components used in this assembly the Lining Comp*b44l* is the most expensive.