Tack weld

tack weld

[′tak ‚weld] (metallurgy) A joint between two pieces of metal made by welding at isolated points.

Tack weld

A weld designed not to carry a load, but to make a nonstructural connection.

tack weld

1. A weld used for holding metal parts in position temporarily. 2. One of a series of welds applied where a continuous weld is unnecessary.