ISO 4144
Forma:
1/8" - 1/2"   Esagono
3/4" - 4"  Ottagono
				
ISO 4144
Forma:
1/8" - 1/2"   Esagono
3/4" - 4"  Ottagono
				
| 
				 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"  | 
		
| 
				 A  | 
			
				 5.5  | 
			
				 8  | 
			
				 11.5  | 
			
				 15  | 
			
				 20.5  | 
			
				 26  | 
			
				 34.5  | 
			
				 40  | 
			
				 51  | 
			
				 65.5  | 
			
				 77.5  | 
			
				 101.5  | 
		
| 
				 S  | 
			
				 12.5  | 
			
				 15  | 
			
				 18.5  | 
			
				 22.5  | 
			
				 28  | 
			
				 35  | 
			
				 44  | 
			
				 50.5  | 
			
				 62.5  | 
			
				 78.5  | 
			
				 92  | 
			
				 118  | 
		
| 
				 M  | 
			
				 4  | 
			
				 4  | 
			
				 5  | 
			
				 5  | 
			
				 5.5  | 
			
				 6  | 
			
				 6.5  | 
			
				 6.5  | 
			
				 7  | 
			
				 7  | 
			
				 7.5  | 
			
				 8  | 
		
| 
				 L  | 
			
				 8  | 
			
				 10.5  | 
			
				 11  | 
			
				 14.5  | 
			
				 15.5  | 
			
				 18  | 
			
				 20.5  | 
			
				 20.5  | 
			
				 25  | 
			
				 27  | 
			
				 30  | 
			
				 36  |