On this parts fiche the Bolt,flange,sh,6x25 is the most specified component.
The Dowel,pin,8x14 is the cheapest item from this partsfiche.
Parts such as the E-9: B/brg Rad N/com, Clamp, Drain, Bolt,flange 8x45, Bolt,flange 8x12 are included in the Nps50 Zoomer 2006 (6) Japan Af58-150 E-9 parts fiche.