/ circular sawblade can be crafted with the following recipes

Autolearned
Player Recipe
Primary skill used: fabrication(6)
Required skills: N/A
Time to complete: 600 minutes
Tools required:
> 1 tool with grinding quality of 2
> 1 tool with anvil quality of 3
> 1 tool with hammering quality of 3
> swage and die set
> electric forge (40 charges) OR acetylene torch (40 charges) OR electric arc furnace (20 charges) OR charcoal forge (40 charges) OR basecamp forge (40 charges) OR demon forge (40 charges) OR rock forge (40 charges)
> metal fileset OR pair of flatjaw tongs
Components required:
> 2x chunk of steel OR 10x scrap metal
Byproducts:
(none)