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"  | 
		
| 
				 L  | 
			
				 6  | 
			
				 8.5  | 
			
				 9  | 
			
				 11.5  | 
			
				 13  | 
			
				 14.5  | 
			
				 17  | 
			
				 17  | 
			
				 21.5  | 
			
				 23.5  | 
			
				 26.5  | 
			
				 32.5  | 
		
| 
				 S1  | 
			
				 7  | 
			
				 9  | 
			
				 10  | 
			
				 11  | 
			
				 15  | 
			
				 18  | 
			
				 20.5  | 
			
				 22  | 
			
				 28  | 
			
				 32  | 
			
				 36  | 
			
				 42  | 
		
| 
				 A  | 
			
				 5.5  | 
			
				 8  | 
			
				 11.5  | 
			
				 15  | 
			
				 20.5  | 
			
				 26.5  | 
			
				 34.5  | 
			
				 40  | 
			
				 51  | 
			
				 65.5  | 
			
				 77.5  | 
			
				 101.5  | 
		
| 
				 M  | 
			
				 5  | 
			
				 5  | 
			
				 6  | 
			
				 7  | 
			
				 8  | 
			
				 11  | 
			
				 11  | 
			
				 12  | 
			
				 13  | 
			
				 15  | 
			
				 15  | 
			
				 19  |