The Screw Tapping 5x12 is the cheapest item from this partsfiche.
A sample from the products for the Heater Unit include: Nut,flange,8mm, Bush,, Screw Tapping 5x12, Screw,tap..
This schematic depicts all components used in the Civic 1997 (v) 4dr Lx Factory A/c (ka,kl) Heater Unit partslist.