From Dungeons of Dredmor Wiki

Ammunition

1 

When the Dwarves ran out of iron, they made bone bolts. When they ran out of bone, they made wood bolts. When they ran out of wood, they made these.

Worth 5 zorkmids. B:8 S:3 B:10 S:2 B:12 S:1

[edit] Crafting

It can be crafted with the following recipe: