In the illustrated example the lower part 1 comprises a center plate 5 having a central bore 6 for the lock bolt 4 and two radially outwardly projecting arms 7 extending at 90° angle to each other and which can be welded to {HEAD ~ the bottom surface} of {TAIL ~ the center plate} 5 or can be secured thereto in any other way 
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In the illustrated example the lower part 1 comprises a center plate 5 having a central bore 6 for the lock bolt 4 and two radially outwardly projecting arms 7 extending at 90 ° angle to each other and which can be welded to { HEAD ~ the bottom surface } of { TAIL ~ the center plate } 5 or can be secured thereto in any other way
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