ISO 4144
Forma:
1/8" - 1/2"   Esagono
3/4" - 2"  Ottagono
2 1/2" - 4"  Decagono
				
ISO 4144
Forma:
1/8" - 1/2"   Esagono
3/4" - 2"  Ottagono
2 1/2" - 4"  Decagono
				
| 
				 Size mm  | 
			
				 1/8"  | 
			
				 1/4"  | 
			
				 3/8"  | 
			
				 1/2"  | 
			
				 3/4"  | 
			
				 1"  | 
			
				 1 1/4"  | 
			
				 1 1/2"  | 
			
				 2"  | 
			
				 2 1/2"  | 
			
				 3"  | 
			
				 4"  | 
		
| 
				 S  | 
			
				 13  | 
			
				 16.5  | 
			
				 20  | 
			
				 24.5  | 
			
				 30  | 
			
				 37.5  | 
			
				 46.5  | 
			
				 53  | 
			
				 65.5  | 
			
				 82  | 
			
				 95.5  | 
			
				 121.5  | 
		
| 
				 L  | 
			
				 12.5  | 
			
				 16  | 
			
				 16.5  | 
			
				 21  | 
			
				 22.5  | 
			
				 26  | 
			
				 29  | 
			
				 29  | 
			
				 33.5  | 
			
				 38.5  | 
			
				 42  | 
			
				 48.5  |