Before revision: Threaded inserts of hardened steel are often used in metals like aluminium or stainless steel that can gall easily.Mechanical Fastening Joining Assembly By James A. Speck -- Marcell Dekker 1997 Page 128 Galling requires two properties common to most metals, cohesion through metallic-bonding attractions and plasticity (the ability to deform without breaking).
After revision: Threaded inserts of hardened steel are often used in metals like aluminium or stainless steel that can gall easily.Mechanical Fastening Joining Assembly By James A. Speck — Marcell Dekker 1997 Page 128 Galling requires two properties common to most metals, cohesion through metallic-bonding attractions and plasticity (the ability to deform without breaking).