| Subject | English | Spanish |
| industr., construct. | hammer bolt spring | muelle del cerrojito de martillo |
| industr., construct. | hammer lever spring | muelle de la palanquita de ayuda de martillo |
| industr., construct. | hammer operating lever spring | muelle de mando de martillo |
| industr., construct. | hammer spring | muelle de martillo |
| industr., construct. | hammer spring seating | asiento del muelle de martillo |
| industr., construct. | hour hammer operating lever spring | muelle de mando del martillo de hora |
| industr., construct. | second hammer spring | muelle del martillo de segundos |
| industr., construct. | second hammer spring foot | pie del muelle de martillo de segundos |
| met., mech.eng. | spring power hammer | martillo de resorte |
| industr., construct. | strike hammer spring | muelle del martillo de sonreía |
| industr., construct. | strike hammer spring-clip | chaveta del martillo de sonreía |