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"  | 
		
| 
				 E  | 
			
				 5.5  | 
			
				 8  | 
			
				 11.5  | 
			
				 15  | 
			
				 20.5  | 
			
				 26  | 
			
				 34.5  | 
			
				 40  | 
			
				 51  | 
			
				 65.5  | 
			
				 77.5  | 
			
				 102  | 
		
| 
				 J  | 
			
				 8  | 
			
				 10.5  | 
			
				 11  | 
			
				 14.5  | 
			
				 15.5  | 
			
				 18  | 
			
				 20.5  | 
			
				 20.5  | 
			
				 25  | 
			
				 27  | 
			
				 30  | 
			
				 34.5  | 
		
| 
				 K  | 
			
				 4  | 
			
				 4  | 
			
				 5  | 
			
				 5  | 
			
				 5.5  | 
			
				 6  | 
			
				 6.5  | 
			
				 6.5  | 
			
				 7  | 
			
				 7  | 
			
				 7.5  | 
			
				 9.5  | 
		
| 
				 U  | 
			
				 23  | 
			
				 28  | 
			
				 33  | 
			
				 38  | 
			
				 45  | 
			
				 52  | 
			
				 52  | 
			
				 56  | 
			
				 60  | 
			
				 65  | 
			
				 70  | 
			
				 73  | 
		
| 
				 V  | 
			
				 4  | 
			
				 5  | 
			
				 7  | 
			
				 10.5  | 
			
				 16  | 
			
				 22  | 
			
				 27.5  | 
			
				 34.5  | 
			
				 46  | 
			
				 59  | 
			
				 71  | 
			
				 95  | 
		
| 
				 T  | 
			
				 8  | 
			
				 9  | 
			
				 11  | 
			
				 15  | 
			
				 21  | 
			
				 27  | 
			
				 33  | 
			
				 39.5  | 
			
				 52  | 
			
				 67  | 
			
				 80  | 
			
				 105  | 
		
| 
				 S  | 
			
				 11  | 
			
				 15  | 
			
				 18  | 
			
				 22  | 
			
				 28  | 
			
				 35  | 
			
				 44  | 
			
				 50  | 
			
				 61.5  | 
			
				 78  | 
			
				 90  | 
			
				 117  |