Screws #12 - 24 Floorboard
I am putting in the floorboards and will put back the seat assembly in a '31 coupe moveable track. The suppliers note #12-24 screws are used. Years ago I took out the floorboard screws and kept them in a bottle. I cannot get them back into the D-clips in the floor. I could not get the original screws into the D-clips. I pulled out a 12-24 tap and ran the tap through the D-clips. I checked the thread pitch and it was 24. I have some replacement screws and they are exactly they same size and pitch and also will not fit into the floor or seat support. Why don't these screws that are supposed to be #12-24 not fit into the support clips? What am I missing?
Vic
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