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SCALE OF CUTS

The scale of cuts for Swiss precision files as well as the basic shapes were developed by Grobet, dating
back to the founding of Grobet Freres in 1812. Additions and refinements have been made to meet the
changing requirements of modern technologies. Here is the scale of cuts for Grobet Swiss precision files
 
 
  Teeth per inch (upcut)
30
41
51
64
79
97
117
142
173
213
295
  Files 10" and over in length  
00
 
0
 
1
 
2
 
3
 
4
 
 
6
 
 
 
  Files 4" to 8" in length  
 
00
 
0
 
1
 
2
 
3
 
4
 
 
6
 
 
  Files 3" in length  
 
 
00
 
0
 
1
 
2
 
3
 
4
 
 
6
 
8
  Escapement Files  
 
 
00
 
0
 
1
 
2
 
3
 
4
 
 
6
 
  Needle Files 4" to 7-3/4"  
 
 
0
 
0
 
2
 
3
 
4
 
 
6
 
 
  Regular Rifflers  
 
 
 
0
 
 
2
 
3
 
4
 
6
 
 
     
 
 
 
 
 
 
 
 
 
 
     
 
 
 
 
 
 
 
 
 
 
 
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