Adjective
finger tight
(of a screwed connection) tightened using the fingers, and no tools, to a torque of about 15 to 20 inlb or 1.7 to 2.3 Nm
finger-tight (not comparable)
As tightly screwed as can be achieved by the strength of one's fingers, without the use of any other tools.
finger-tight
Always turn off the burner valve to "finger tight" when finished using the torch. Source: Internet
Wipe rims clean, top with lids and rings till finger tight. Source: Internet