مطحنة المطرقة. ... hammer mill trf 500 mobilecrusherfo. By trf in Workshop Metalworking. 2,738,553. 378. 96. Featured. Download Favorite. add this to the list. A great way to remove a stubborn bolt is to "shock" it loose. When I say shock it loose, I mean hammer it! To be more precise, an Air Hammer.