stuck bolt
- rustedCorroded by moisture
- seizedTook suddenly, forcefully
- frozenSolidified by extreme cold
- corrodedEaten away chemically
- wrenchTool for turning fasteners
penetrating oil · WD-40 · stripped · threads · torque · breaker bar · socket · stubborn · tight · immovable · heat · torch · impact · hammer · extraction · snapped · sheared · fastener